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* DVD drive?
* How much RAM/storage needed?
* Do we need to get the same motherboard/CPU? There are cheaper/better CPUs. For example, V4 of same CPU is same price.
==Single GPU Build==
no edit summary
*DVDRW (Needed?): Asus 24x DVD-RW Serial-ATA Internal OEM Optical Drive DRW-24B1ST [http://www.amazon.com/Asus-Serial-ATA-Internal-Optical-DRW-24B1ST/dp/B0033Z2BAQ/ref=sr_1_2?s=pc&ie=UTF8&qid=1452399113&sr=1-2&keywords=dvdrw]
*Keyboard and Mouse: AmazonBasics Wired Keyboard and Wired Mouse Bundle Pack [http://www.amazon.com/AmazonBasics-Wired-Keyboard-Mouse-Bundle/dp/B00B7GV802/ref=sr_1_2?s=pc&rps=1&ie=UTF8&qid=1452402108&sr=1-2&keywords=keyboard+and+mouse&refinements=p_72%3A1248879011%2Cp_85%3A2470955011]
* Optical drive: HP - DVD1265I DVD/CD Writer [https://www.newegg.com/Product/Product.aspx?Item=N82E16827140098&ignorebbr=1&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=]
* Approx. dataset/batch size
* Network card?
==Double GPU Build==
===Motherboard===
*Should have enough PCIe slots
*Motherboards: ASUS Z10PEMSI -D16 Z170A GAMING M7 ATX LGA1151 Motherboard [httphttps://www.newegg.com/Product/Product.aspx?Item=N82E168131322579SIA85V4SC7911&Tpknm_mc=N82E16813132257]AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker, Dual LGA 2011 R3, DDR4 %20LLC-_-na-_-na-_- Up to 32GB RDIMM, 16 slotsna&cm_sp=&AID=10446076&PID=3938566&SID=]
===CPU/Fan===
*Not a huge deal, but used for data preparation*If using multiple GPUs, at At least one core (two threads) per GPU*Chips: Intel Haswell Xeon e5-2620v3, 6 core @ 2Core i7-6700 3.4ghz, 6x256k level 1 cache, 15mb level 2 cache, socket LGA 20114GHz Quad-v3 Core Processor [https://www.amazon.com/gpdp/productB0136JONG8/B00M1BUUMO/ref=oh_aui_detailpage_o04_s00?ietag=UTF8&psc=1pcpapi-20]*CPU Fans: Intel Thermal Solution Cooling Fan for E5Cooler Master -2600 Processors BXSTS200C Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler [https://www.amazonnewegg.com/gpProduct/product/B007HJAM50/ref=oh_aui_detailpage_o03_s00Product.aspx?ieItem=UTF8N82E16835103099&pscignorebbr=1&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=]*Buying this fan because it's very cheap for the reviews it got, and the stock cooler for the CPU has had mixed reviews
===GPU===
* 2x GTX 1080 Ti[]* Integrated graphics on CPU: Intel HD Graphics 530
===RAM===
*At least twice as much RAM as GPUs (2 * 2 * 11 GB [GTX 1080 Ti size] = 32 22 GB, so 32GB)*Does not have to be fast for deep learning: "CPU-RAM-to-GPU-RAM is the true bottleneck – this step makes use of direct memory access (DMA). As quoted above, the memory bandwidth for my RAMmodules are 51.2GB/s, but the DMA bandwidth is only 12GB/s!"[http: //timdettmers.com/2015/03/09/deep-learning-hardware-guide/]* Crucial - 32GB (2 x 16GB) Registered DDR4-2133 Memory [https://www.newegg.com/Product/Product.aspx?Item=9SIA2F83R178619SIA8PV5HF1514&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=]
===PSU===
*Some say PSU should be 1.5x-2x wattage of GPU+CPUsystem, some say GPU+CPUwattage+100W*PSUsI picked a rating such that another GPU or other extension could be added without a new PSU*PSU: Corsair RM Series 850 Watt ATX/EPS 80PLUS GoldRosewill -1200W 80+ Platinum Certified Fully-Modular ATX Power Supply - CP-9020056-NA RM850 [https://www.amazonnewegg.com/gpProduct/product/B00EB7UIXM/refProduct.aspx?Item=9SIA0723W13835&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=oh_aui_detailpage_o03_s00?ie10446076&PID=UTF83938566&pscSID=1]
===Storage===
*SSD: Intel Samsung - 850 EVO-Series 500GB 2.5" Solid-State Drive 750 Series SSDPEDMW400G4R5 PCI-Express 3.0 MLC - 400GB [https://www.amazonnewegg.com/gpProduct/product/B00UHJJQAY/ref=oh_aui_detailpage_o07_s00Product.aspx?ieItem=UTF8N82E16820147373&pscignorebbr=1] or 800GB [https://www.amazon.com/gp/product/B013QP8XUE/ref&nm_mc=oh_aui_detailpage_o00_s00?ieAFC-C8Junction&cm_mmc=UTF8AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&psccm_sp=1]*HDD: WD Red 3TB NAS Hard Disk Drive [https://www.amazon.com/gp/product/B008JJLW4M/ref&AID=oh_aui_detailpage_o00_s00?ie10446076&PID=UTF83938566&pscSID=1] - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch*Possibly better HDD: Seagate - Barracuda 3TB 3.5" 7200RPM Internal Hard Drive [https://www.newegg.com/Product/Product.aspx?Item=9SIADG25GT7889&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=]
