Effective Memory Clock: 1200MHz; Model #: EAH6450 Silent/DI/1G; Item #:. Solved. Or fastest delivery Nov 7 - 8 . When I put Win10 on an SSD and maxed the RAM, that's when I really noticed a difference in speed. Tengo una Dell Optiplex 755 que viene de fabrica con 4Gb de RAM de 667MHz, pero tengo entendido que esta solo soporta hasta 8Gb de RAM con una frecuencia de 667 MHz a 800MHz, entonces yo se la quiero mejorar a 8 Gb pero no se cual comprar ya que ya he probado con unas memorias ddr2 de 800MHz pero no arranca la. 0. 81. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. 11 Posts. 9 out of 5 stars based on 14 product ratings (14) $74. Dell Support Driver and Downloads not offering manual downloads for my. $5999. 0. Thread starter h2l; Start date Feb 16, 2012; Tags. I purchased a Dell Optiplex Micro 5000 computer which came with a SK Hynix SODIMM 8GB (HMAA1GS6CJR6N) memory module. Dell™ optiplex™ 755 technical guiDe systEM boarD connEctor MaxiMuM aLLowabLE DiMEnsions usff PCI Slot (s) Dimensions: (HxL) Height 4. Brand: A-Tech: Computer Memory Size: 8 GB: RAM Memory Technology: DDR4:. 22. 5 out of 5 stars 15. So I guess this should be high density. (B450M PRO-VDH MAX) Motherboard. 2: M. Slots: 4. 00GHz Yorkfield Quad Core Q9650, 12MB. Memory connectors. The Dell Optiplex 755 is a "Micro BTX" form factor. The computer is a BTX form factor so aftermarket parts aren't actually made to fit. 50Thats why Systems from 2011 have 24 gig Tri channel ram with 24 gigs max ram. Maximum Graphics Memory on Windows® 10: Intel® UHD Graphics: Limited by OS to one-half of System Memory: Intel® Iris® Plus Graphics: Limited by OS to one-half of System Memory: Intel® UHD Graphics 620/630: Limited by OS to one-half of System Memory: Intel® UHD Graphics 600/605: Limited by OS to one-half of System. Memory 12 Drives and Removable Storage 13. I have an Optiplex 760 x-64 running Win10 Pro that's using up 71-85% of memory with minimal applications (email, Adobe Reader, Win Office, etc. I used the specs as specified in the manual to purchase Crucial DDR5 CT2K16G48C40U5. We would like to show you a description here but the site won’t allow us. Re: Dell Optiplex 755; picky with memory Mixing RAM brands/specs commonly results in problems. Dell Optiplex Desktops Support Forum. 89 I have two Optiplex 755 SFF running VMware ESX 4. The stylish new OptiPlex 960 delivers advanced technologies to tackle any challenge without missing a beat. Alienware 15 R3 Geniune Dell battery. -. Maximum RAM Supported: 8 GB: Connector Type: 1 x Display Port 1 x Ethernet 1 x Mic, 1 x Audio 7 x USB 2. Max Memory. My build so far is an Optiplex 755 SFF with a lovely E8600 core 2 duo CPU. Crucial Scanner. 18,530. unfortunately not possible if you want to use the 755 MT case which is BTX and only accommodates BTX motherboard. 0. Maximum internal drives supported : Drive configurations supported (max) PCIe lanes : Parts needed to install a M. make sure you use thermal paste for the installation. 25 Gig of ram with the rest stolen by Video Frame Buffer and the memory map for Bios. 2: M. ? o tendré complicaciones, como le aumento la memoria Ram. Can anybody clearify this Statement from the product brief: "Delivers up to 12. . Yes, crucial brand ram from genuine micron factories is about the only memory that will ever work in a dell computer. This is from the 760 manual in Dell support. Ad. As you have XPS 1340 , so the maximum cacapcity for RAM is 8GB. Dear Dell Users. I have googled this some and the folk at my630i. After clarification as to the model Optiplex you have, we'll be able to assist further. Maximum Memory; 16GB: Memory Expansion Slots / Banks; 4 Slots: Memory Type & Info; DDR2 PC2-5300 667MHz / PC2-6400 800MHz Non-ECC DIMM Intel Q35 Express. . I've got a Nvidia Geforce GT220 Video card, which is a low profile video card, it can consume maximum of 58 W, and this video card requires minimum of 300 W to work properly w/o. That's why higher than 8GB is unsupported and companies, like Crucial, that make RAM, will tell you the highest is 8GB. Pre-Installed with Windows 7 Professional, Upgraded to Windows 10 Pro, & upgraded to Windows 11. EUR 23. Whether you are looking to configure your OptiPlex 780 yourself or upgrade it, equipping a device with sufficient RAM is. I went from an E8400 to a Q9650 in my 755 MT a ways back. Dell Support Forums: Dell Desktops Forum: Dell Desktops Community Support Forums all models: Max processor and ram for the Mini-tower optiplex 755 (BIOS A17)DELL™ optipLEx™ 755Optiplex 755 DT Hardware Upgrade. or Best Offer. Optiplex 3080 Tower. 1, or 2. can use the i family of processors that fit socket LGA1155. Dell OptiPlex Tower or Small Form Factor Cable Cover Dell 24 Monitor P2417H Dell Wireless Keyboard and Mouse KM636 Dell Pro Stereo Headset UC350. Monroville Dell Poweredge R715 server. my755. Maximum memory is 64GB on Tower/Small Form Factor, 32GB on Micro. It is the latest version of synchronous dynamic random-access memory (SDRAM). compare. It's 16GB RAM max. 0 GHz max. When I start it up I get the Dell screen and able to select F2 setup and get into the bios setting. luiscarlos. 8. Press the power button. Hi, my PC came with a Samsung 8GB RAM (DDR5 UDIMM 4800MHZ). Architecture: 64-bit operating system, x64-based processor. The CPU-Z program would tell you how fast it is or isn't running. 4 out of 5 stars 14 1 offer from $64. I have got a Dell Optiplex 755 SFF, and i'd like to change all of my hardwares, to the best components what i can use. We always send matched modules, when you order 2 or more. F886J 2. vendor Dell Inc. Solution. Dell Optiplex 7010 Small Form Desktop, Intel Quad Core i7. 5. 4. Core, Intel Inside, Intel Inside Logo, Intel vPro, Itanium, Itanium Inside, Intel Evo, Intel Optane, Iris, Itanium, MAX, Pentium. the modern intel motherboards are almost all ATX (or proprietary). Free delivery and free returns with a 100% money back guarantee. Please note: If you are upgrading your Dell Desktop/Workstation to more than 4 GB, you will need a 64-bit operating system to take full advantage of this capacity. It has a Core 2 Quad q6600 CPU in it, with 2 GB of ram and a PSU 275w. DDR3-1600MHz can be used & what I posted above, but. Set personal price drop alerts! If you have Windows, System Info in the Control Panel will tell you total use of the RAM. 512 MB, 1 GB, or 2 GB non-ECC. Two more questions - What's the brand name of the RAM? Is your 755 an MT, DT, SFF or. 30-07-2011 16:00 PM. Good day Sirs, I have Mini Tower OptiPlex 755 with 0GM819 motherboard . I have just bought a very similar, used Optiplex 755 DT on eBay with a similar CPU. I have two Optiplex 755 SFF running VMware ESX 4. Search; Shop; Support; Community. responsiveness and support of 64-bit computing" DELL™ OPTIPLEX™ 755 The new Dell OptiPlex 755 offers a compelling, versatile solution that can help you meet evolving business needs with the right technologies and services. Above Optiplex's are older. 47. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS Compatible with: Dell OptiPlex 210L 320 330 740 745 755 Maximum Memory: 4 or 8GB Expansion: 4 or 2 Sockets. Configuration ID: CT11944613. I added 250 gb hard drive 2gb memory and a E8400 Dual Core processor. Tangerang Selatan ICA JAYA MANDIRI. Max Dimm size for this model is LOW Density INTEL compatible Ram 2 gig modules. My Optiplex 755 Gaming / HTPC setup is now complete. 3. I have a Dell optiplex 380 SFF and want to max the ram. Intel® Q965 (ICH8) Express Chipset. )Newer versions do not run at max speed in. Can someone confirm the RAM capacity of an Optiplex GX 280?. Finish Windows setup. Produce video, photography and music. 89. At the technical guide (thank's for link to SpeedStep) I didn't find any information about supported max bus clock (MHz) of RAM. 8 Gb/s (DDR2 800. 3. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 7020 (Mini-Tower) - FREE US Delivery. (PC2-5300U) 667mhz. Dell. I have a upgraded version of the dell inspiron 3511 where i have 8 gb of ddr4 ram, i was going to upgrade that to 16 in the near future but dont know if. $14. 3 :. N650J 2. The maximum amount of graphics memory will depend on the computer's Chipset. 2. OptiPlex. Memory modules supported. Depending on how much RAM you need, if you have any RAM heavy apps, 7020 has max listed RAM @ 16GB and 9020 @ 32GB. OptiPlex™ 755 system supports up to 8 GB of memory with a 64 bit operating system and up to 4 GB of memory with a 32 bit operating system. . 4x4GB DDR3-1600MHz 1. Manufacturers. ) - it is much slower than when first purchased. O. 0. Responses (1). I've taken a humble Optiplex 755 Desktop chassis, upgraded the RAM to 4gb, upgraded the HD to a 60gb OCZ Vertex 2E Solid State Drive, added a PCI-E full-height riser, and upgraded the graphics card to the maximum possible that would fit into the case. try this called a hard power reset. Memory issue on Optiplex 755. This means modules with chips on both sides. All other brands will fail the memory check at boot. The newer the game or program intensity, the more negligible the OC will be. Buy some contact cleaner and spray the RAM contacts as these desktops love to complain about RAM fault when RAM contacts go bad. product OptiPlex 755 version unknown serial 8TQGJ3J UUID {4C4C4544-0054-5110-8047-B8C04F4A334A} SKU unknown family unknown DMI Baseboard vendor Dell Inc. Use more than 2 GB RAM in Dell OptiPlex 320. 99. Thanks! I have this problem too (0) Reply. With appropriate handling of the. The cost of the ram that works is more than buying a better unit. cannot be used by computer memory; therefore, the amount of memory availab le to the operating system is less than 4GB. Power figures for DELL Optiplex 755 Mini Tower. GPU - NVIDIA GTX 970. make sure you use thermal paste for the installation. Low Cost Delivery Low Prices 100% Safe & Secure Dell Optiplex 780 mt ram upgrade Hi I have a option of getting a Dell Optiplex 780 mt from a good friend of mine with 8GB of ram 500GB hard drive and Windows 10 Pro I would like to upgrade it to 16GB of ram the max it supports I have a HP Compaq DC5800 that's getting old and hard to get parts for and buying a new computer is still months away. Or fastest delivery Thu, Jul 6. TECHNICAL GUIDEBOOK . Search. Dear Dell Users. Optiplex SFF Plus 7010, RAM upgrade. 5 out of 5 stars 15 Yes, crucial brand ram from genuine micron factories is about the only memory that will ever work in a dell computer. 35 V operation for memory. pretty simple way to make a fast computer even faster. Sep 15, 2016. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. The GPU's coming with the optiplex are ***. 17-02-2019 14:00 PM. Checking Passmark Performance Test baselines, the highest rated system uses a Core2 Quad Q9650 - 4-cores and 3. System CPU Type. (example: DDR3L) DDR3 is not backward-compatible with DDR2. Read more. Officially, (according to the Dell Technical Guide Book for the Optiplex GX 755) the max CPU and RAM are: Intel Core 2 Quad Q6700 Processor (2. Later in the boot process, it will. RAM for the 755 (I like A-Tech with lifetime warranty) is quite reasonable. 89 $ 64. Dell ships non-ECC 184 pin SDRAM memory only. Backed by a lifetime warranty Kingston memory. – TJJ. All Mr Memory recommended upgrades are 100% compatible with your Dell. Table 4. 0 5 Dell™ optiplex™ 755 technical guiDe 5 front view 1 5. Windows XP. The entire 8GB memory range is available to 64 -bit operating systems. 8v,Non-ECC. You cannot have 16 gig in USFF models or any model with only 2 Ram Slots. Max Dimm size for this model is LOW Density INTEL compatible Ram 2 gig modules. upgrading RAM on OptiPlex 755 with 0GM819 motherboard. 1 with 8GB. 00. I also specified 2 GB of PC2-6400 800Mhz of DDR2 memory as part of the original configuration that was supplied by Dell. Hard Drive: GB means 1 billion bytes and TB equals 1 trillion. Find compatible Memory (RAM) for your Dell device - Optiplex Desktops. Saying not supported doesn't state if it wasn't tested so they can't say it will work, or if it was tested and failed. Buy system specific Dell OptiPlex 755 DT/MT/SFF Desktop Memory/RAM and SSD upgrades from KingstonMemoryShop. They both came with 2 x 1GB Hynix PC2-5300U. I have personally tested it with 24Gb (2 x 8Gb and 2 x 4Gb). These have Dell extra features like ambient temperature sensors, and 4 led diagnostic displays. Rp325. The CPU upgrade is the area I'd appreciate some advice. I obviously want to max it out, but dirrerant site such as Kinston and Crucial give differing amounts as to the maximum you can install. Then we started Windows, only 256MBs of Ram out of the 8GBs was available (the OS told us). 35V operation for memory. Mi pregunta es ¿Puedo colocar en una de las ranuras libres una memoria ram kingston kvr8002N6 de 2 GB a 1. Power Supply PSU PSA Dell Optiplex 780 745 760 755 Tower. . 99. The memory will run at a lower PC2-6400 (or PC2-5300) speed on such a system. 2V - Single Desktop Upgrade Module (Replacement for SNPY7N41C/8G) Visit the A-Tech Store. My question is that the Motherboard PCIe slot can only provide 35W, not the normal 75W of other motherboards. Maximum Memory: 8GB Slots: 4. 19-11-2012 09:00 AM. Small Business. vendor Dell Inc. That's when your PC will fly. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. GPU - NVIDIA GT 240. $3163. I have multiples of the Optiplex 755 and XPS 420's- They're great little machines for virtualization. . This item: 8GB 4X2GB Dell OptiPlex 755 Series Desktop/PC DDR2 PC2-5300 RAM Memory. I currently have them all "maxed" out at 8GB RAM apiece, which is the listed maximum for eac. 0. 5GB SATA Seagate HD, ATI HD 3650 video card that runs dual 19" monitors. BTW, some will tell you the page file will wear your drive faster, technically correct, practically irrelevant. Design 1st OptiPlex was the first Dell product made with recycled materials in 2007. To get the best performance and speed from your Optiplex, upgrade to the maximum memory. But the Dell optiplex 755 SFF comes with only a 275 Watt power supply. With 2 X 4 gig you get 7. 4 Gb/s) of bandwidth and 8 Gb memory addressability for faster system. The manuals all direct me to a label on the chassis, and there is one for Vista, but not XP. Its owner had not used in years, I recently booted it up for the first time (after many years, probably, considering the CMOS battery had died) and it's running Windows 7 x64. 10 A22 T tonschkDell Optiplex Memory RAM Upgrade install is the easiest and economical way to make this Dell Optiplex 780 Mini-tower computer super fast. Multitask between intensive programs. Nov 22, 2016 Should be 16 gb max source :more info here You have to choose between 2 x 8 gb ddr2 OR ddr3 because you cannot mix them. Alienware. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade. normally on a OptiPlex 755 (and you need to confirm this by looking inside the case) the system has 4 slots for ram, ands 8GB is the highest in 99% of cases for 775 CPUs' thus DDR-800/667 being the two possible speeds used on the said motherboard. model 0HX555 revision unknown serial . Dell says that the q6700 is the max because the manual was old and made at the time of the Cpu's release. unconfavated memory (Max 8GB on 64-bit operating systems) Expansion slot 2 x8GB 4X2GB Dell OptiPlex 745 DDR2 PC2-5300 Memory. Free delivery and free returns with a 100% money back guarantee. Starting at CAD $599. GTX 650Ti boost works well w Q9650 too, but it requires a 6 pin power connector and 400W psu. view all compatible upgrades. DELL OPTIPLEX 960 Professional users seeking a sophisticated, powerful desktop need to look no further than the OptiPlex 960. Make optimal use of your installed memory. Forget it, running a HD7750 card on a Dell 280w PSU is going to cause nothing but trouble and possibly damage the PC. Yes. There may be different Versions of this Model (e. 71% of bottleneck. We have a Dell OptiPlex 755 where the diagnostic lights will often show a 3 4 pattern. Upgrading it is somewhat difficult for a DT. Unfortunately, after the upgrade BIOS shows it at all running at 667MHz. 1660. Boost GPU Frequency. #3. This video shows St. Eligible for Return, Refund or Replacement within 30 days of receipt . Helps you switch between applications, open documents, and complete daily tasks faster. I went with two 800MHz 512Mb PC2-6400 Kingston KTD-DM8400C/512 CL-5 sticks, supposedly compatible with Optiplex 755. Dell uses proprietary I/O front cables, headers, and control boards. The Dell OptiPlex 755 offers enhanced management and control with Intel® vPro™ processor technology, allowing IT staff excellent flexibility, high efficiency and reduced desk-side troubleshooting. Maximum System Memory (uses 2GB DIMMS) 8GB1 8GB1 8GB1 4GB1 800MHz Memory configurations 8GB1 DDR2 Non-ECC SDRAM, 800MHz, (4 DIMM) X X XFull system specifications are as follows: Dell Optiplex 755 Desktop, Intel Core 2 Duo E4600, 8GB DDR2-667, Samsung SP2004C 200GB hard drive, XFX AMD Radeon R7 240 2GB (low profile), Generic NEC VGA 1280x1024 display, Samsung Q1 USB Keyboard because it's the only USB keyboard I have. Safely scan your system for max upgrade options. I have decided to expand the ram and I plugged in free slot available new memory, Transcend ram 4GB 1rx8 ddr3 1333u. 0 drivers as did the 760. 25. NA / NA / NA / NA. 0. Nov 13, 2023. Crucial's site has you enter the PC model. Related Discussions Dell 755 optiplex in. With 1GB GPU= 4GB RAM. 32Gb. I do have a PCI-E slot in that computer and AGP. System Model OptiPlex 755. Started By. The specs scall for a maximum of 16GB total yet states that 16GB per slot is compatible. 5” Internal Solid State Drive, Upgrade PC or Laptop Memory and Storage for IT Pros, Creators, Everyday Users, MZ-77E1T0B/AM. Also a Dell 20" monitor, and the monitor I use on the 7010 is a Dell 20". There are 2 slots so you can put 4GB in each of the slots. Memory. Type. PC Dell optiplex 755 Slim Core 2 Duo HDD 250gb ram 4gb. Dell Optiplex 755 Series GM819 Motherboard. I want to know if I’ll be able to install a 1x2gb and 1x1gb in one slot, and a 1x2gb and 1x1gb in the other to reach 6GB. 29. ANY GX620 will be better and faster than a GX150. Guaranteed-compatible with the Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor)According to the Dell manual, 8GB is maximum. 6" Laptop-#B24. 0 1 x DVI: Operating System: Windows. 6 Based on Dell internal analysis using publicly available specs in August 2023 comparing maximum. 3,160. KingstonMemoryShop stocks memory upgrades for your Dell OptiPlex 755 DT/MT/SFF Desktop to boost performance and capacity. Dell Support Driver and Downloads not offering manual downloads for my XPS 8940. Specs say that a Core2Quad Q8200 isn't supported, but I have one running in my 755 right now. Safely scan your system for max upgrade options. A while ago I purchased 2 × 2 GB Sticks of RAM for my Dell OptiPlex 320. The best solution is to buy refurbished mid-tower. The computer is a Mini tower dell optiplex 755item 3 DELL 0DR845 OptiPlex 755 MB with Dual Core E2140 skt 775 1. com Search El equipo OptiPlex 755 soporta memorias DDR2 SDRAM de 667 o 800 MHz, para que el ordenador reconozca los 8 GB de memoria, es necesario que el equipo tenga instalado un sistema operativo que trabaje a 64 bits. 66Ghz, 95w and 1333mhz bus speed. Find Replacement Memory (RAM) for your Dell computer by selecting the product brand and/or model to find parts compatible with your Dell device. I have heard conflicting info that either 4gb or 8gb is the max it can handle. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade 667 MHz 240-Pin 4. Another one unsupported by Dell for the 755 - core 2 quad Q9650. System Type X86-based PC. This article provides information about how to set up and use your Dell OptiPlex 5000 Desktops. DELL™ OPTIPLEX XE . Add to Cart. The 780 takes either 1,066MHz or 1,333MHz RAM. Purchase options and add-ons . 0Gb/s • 540 MB/s Read, 500 MB/s Write. 50 $ 13 . Here's the Intel specs on an Intel motherboard with a H61 Express Chipset (same as OptiPlex 390) - Max Memory 16 GB using 2 DIMMs (in other words, 2x8GB). Optiplex 7000 Small Form Factor Parts & Upgrades Dell Memory Upgrade - 16GB - 1RX8 DDR4 UDIMM 3200MHz Since I saw Samsung listed in redxps' list: Samsung M378A2G43AB3-CWE 16GB DDR4 3200MHz PC4-25600 1. Aug 7, 2017. 4. 1 with 8GB. The OptiPlex 9020 is designed to seamlessly integrate into the office environment. Memory speed issue after Optiplex 755 Memory Upgrade. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade 4. - RAM: 16GB (8x2GB) @ 5200Mhz - Storage: 1TB NVMe SSD, 1TB MicroSD- Display: 1200p@120Hz Dell Poweredge R720 (Server):- CPUs: 2x Xeon E5-2697v2 @ up to 3. 99. the next Optiplex model using 1st and 2nd gen core i7 cpu is 980 or 790 which are both ATX. What is the max speed of ram this machine can handle? Typically I have seen machines with. #3. 81 $ 50. 0GHz, a Radeon HD 7750 , Samsung 840 SSD, 8GB RAM. Max Supported: Ultra Small Factor model: 4 GB / All other models: 8 GB. Dell Optiplex 960. More speed with little fuss: Installing and testing RAM modulesOptiPlex 780. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Ultra Small Form Factor) - FREE US Delivery. Alright, so a couple of days ago I picked up a Dell Optiplex 755 from a library for a mere $3. It might not be obvious to you yet, but it's pretty obvious the 755 can't take i7's, AMD Ryzen, and etc. Data Security and Recovery with RAID 1 support ensures real time redundancy for data - helping to keep your business. Enter model or choose from the list below. Hope this helps. 3. Please check that you are ordering for the correct Model, as the Memory does vary. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Ultra Small Form Factor) - FREE US Delivery. The Q9650 has 4 cores versus the E8600's 2-- as well, it has twice the cache (12MB vs 6MB), both fit the LGA775 socket, and the Q9560 can be overclocked. 5" bay : Additional information : 9350 9360: 1: 1x M. In addition, Dell Optiplex 755 only comes with 7 USB 2. Memory Type: DDR2 PC2-8500, DDR2 PC2-6400, DDR2 PC2-5300, DDR2 (non-ECC) Maximum Memory: 8GB. Windows finished installing. HERE is the Crucial Memory listing for the 380 "mini tower". I'm thinking of upgrading my GPU to GTX 1050 Ti Low Profile, upgrading the memory up to 16gb or 32gb and upgrade the HHD to 1TB and replace the optical drive. Here's. Buy Now Payment Secure transaction Ships from A-Tech Components Sold by A-Tech Components Returns Eligible for Return, Refund or Replacement within 30. Why does crucial recommend a higher maximum ram limit for my system than the system. I want to upgrade my processor to the Core 2 Quad Q9650. Solution dextermat Nov 22, 2016 Should be 16 gb max source :more info here You have to choose between 2 x 8 gb ddr2 OR ddr3 because you cannot mix them. 5Ghz - RAM: 256GB (16x8GB + 8x16GB) @ 1333Mhz - Storage: 1x Intel 160GB SATA III SSD, 12x Seagate SAS Enterprise 1TB HDD in RAID Z2, 4x Sandisk. From the Optiplex 755 Tech Guide, 800MHz is the max RAM speed for it. 65v kit. 1. 4. Optiplex 7010 memory question.