Patriot Viper Steel DDR4 RAM 64GB (2X32GB) 3600MHz CL18 1.35v UDIMM Desktop Gaming Memory Kit Compatible with XMP - PVS464G360C8K
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Availability:
In Stock.
Arrives
Oct 13 – Oct 16
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Size: 64GB (2x32GB) 3600Mhz
Features
- Capacity: 64GB (2 x 32GB) DDR4 Kit
- Aluminum heat spreader with unique and specific design element
- Feature Overclock: XMP 2.0 Support for Automatic Overclocking
- Compatibility: Tested across the latest Intel and AMD platforms for reliable and fast performance
- Format: NON-ECC Unbuffered DIMM; Pin Out: 288-Pin
Brand: Patriot Memory
Computer Memory Size: 64 GB
RAM Memory Technology: DDR4
Memory Speed: 3600 MHz
Compatible Devices: PC
Product Dimensions: 0.28 x 5.34 x 1.75 inches
Item Weight: 4.8 ounces
Manufacturer: Patriot Memory
Language: English, English, English, English, English
Item model number: PVS464G360C8K
Batteries: 1 Lithium Ion batteries required.
Date First Available: April 23, 2020
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Oct 13 – Oct 16
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I Bought: Patriot Viper Steel Series DDR4 16GB (2 x 8GB) 4400MHz Performance Memory Kit - PVS416G440C9K 1) Supporting HW. 2) What I achieved. 4) Problems I encountered. 5) How I did it. 6) I will post back in one month to give my one month feedback. 1) So first of all here is my "supporting" hardware: Asrock Z370 Extreme 4 Mother board. ("Capable of 4133+OC Ram") i7-8700k CPU OC @ 5Ghz 2) Second here is what I was able to achieve: 4000Mhz @ 15-15-15-35 CR2 **With my "supporting" hardware** 3) At first I couldn't get the ram to boot over 3000Mhz, like at all! But I did adjust timings to 12-12-12-32 CR2 @ 3000Mhz and probably could have gone lower on the timings! 4) How I Managed to get it to run at 4000Mhz. **Please follow all of these steps to a T!!** If you skip any of these OR do them out of order it can result in damaging your hardware, My instructions are safe but please overclock at your own discretion... NOTE: I THINK ASROCK MOTHERBOARDS PRIMARY RAM SLOTS ARE A2 B2!!! I was unable to achieve 4000GHZ prior to trying this out. Try my guide first then try swapping ram to A2 B2 slots. 1 - Reset CMOS to restore bios default, in my case I HAD to use the CMOS reset method. Simply resetting to default settings in the UEFI Bios menu **DID NOT WORK.** (NOTE: Sometimes the CMOS Battery is located behind the Graphics card.) This will require you to power off your pc so save this review in a screenshot on your phone. Once you have successfully reset the CMOS and have default Bios proceed to step (2) ***DON'T OVERCLOCK YOUR CPU FIRST! START WITH THE RAM!*** 2 - Set BLK frequency to 100 if it is not already set to 100. Make sure you're in DRAM settings and not CPU settings. If BLK frequency says 45, 43, 48, 37, or 50 you're in CPU settings... They should be linked but you need to be in DRAM settings. 3 - Start at 4000Mhz for speed, set DRAM speed or "frequency" to "4000" or 4000Mhz, whatever option it gives you start at 4000Mhz if you do not see 4000 as an option but see odd numbers like 4016 it's because your BLK frequency is set over or under 100.00. 4 - Set ALL other DRAM settings to "Auto"! If they aren't already? Manually type in "Auto" **********This is the most important step in order to keep things from going poof or zap.********** **********This is the most important step in order to keep things from going poof or zap.********** **********This is the most important step in order to keep things from going poof or zap.********** 5 - THE MOST IMPORTANT STEP Find voltage settings, (May be in CPU settings etc just find VCCSA VCCIO voltage settings) Set DRAM Voltage to 1.35, UNLESS you have an XMP profile that says it uses 1.45 If you see an XMP profile that says it uses 1.45 then Set the DRAM voltage to 1.45 this will be safe. MAKE SURE VCCSA Voltage settings are set to 1.15~1.30 **NOT SET TO AUTO** To Start, Set to VCCSA to (1.2) SET System agent voltage 1.10V~1.35V Start at 1.2 MAKE SURE VCCIO Voltage settings are set to 1.15~1.30 **NOT SET TO AUTO** To Start, Set to VCCIO to (1.2) Navigate to "exit", -> Save changes -> and reset. **IF** it boots to windows and runs congratulations you have a starting point at 4000Ghz. Proceed to step (W) **IF it doesn't boot, blue screens, crashes, or enters vicious boot loop, enter bios for adjustments. Proceed to step (X) **IF** you are unsuccessful at entering bios, power down machine and repeat steps 1-4. Then Proceed to step (X) before saving and resetting. STEP X: You can try increasing DRAM voltage from 1.35 to 1.4. You can try increasing VCCSA, VCCIO, System agent voltage to 1.25, if this fails you can attempt 1.3 if that fails, You need to lower the DRAM Frequency from 4000 to 3800 and repeat until you have a starting point. STEP W: Ok, we have a starting point, now we can adjust our timings! **IF** you had instant success at hitting 4000Ghz, set your timings to 15-15-15-35 CR2 And attempt boot. If this works, lower until it is unsuccessful at boot and revert back to the lowest successful post. Fine tune for stability and run tests to ensure your configuration is successful. Now you can overclock your cpu. **ELSE** Start by setting your timings to 19-19-19-39 CR2 And attempt boot. If this works, lower until it is unsuccessful at boot and revert back to the lowest successful post. Fine tune for stability and run tests to ensure your configuration is successful. Now you can overclock your cpu. If this doesn't work Revert back to "Auto" in all the timing settings, boot into windows, install CPU-Z from CPUID Navigate to the -> memory tab and write down values for: CAS# latency (CL) RAS# to CAS# delay (tRCD) RAS# Precharge (tRP) Cycle Time (tRAS) Row Refresh Cycle Time (tRFC) This is your starting point. Extra info: VCCSA, VCCIO, increase to 1.3 MAX (1.35 for the F it folks) 1.5 is Max capable for VCCSA, VCCIO but seriously don't go past 1.3. for fine tuning set a lower Command Rate (CR) 440 for example, research and fine tune the other settings you have available to you!
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Reviewed in the United States on March 23, 2021 by Outl4w Outl4w
Before I get on to the specifics, please keep a few things in mind: 1.) Forget about XMP, this is going to be manual tuning all the way. Probably even on an Intel platform. 2.) If you just want to game or run some other app that requires fast memory with a minimum of hassle, this kit is not for you. 3.) If you have a Ryzen platform, you probably won't get useful performance out of this kit above 3800 MT/s. 4.) Unless you have won the silicon lottery with your specific Ryzen CPU sample, even 3800 MT/s isn't going to happen. 5.) Likewise, even if you have a golden chip. you are going to need some luck with your motherboard. 6.) You should expect to spend hours and hours tweaking and testing to get something usable. If that is not your idea of fun, this kit is not for you. Now, if you are undeterred by all of the above and are still interested in this kit, please read on. The kit comes in some rather plain packaging. Some people are unhappy with this, but I say that the plainer the packaging, the easier it is to recycle, so I am good there. I want my money to go to R&D, quality binned B-die chips, and QA. Not to marketing or packaging. Another complaint I hear about this kit is that the heat spreader is kind of cheap. This is fact. However, fancy heat spreaders are a bit of a scam. Even at high voltage and clock, you are not sinking much more than 5W of power into each stick, so whatever. I would prefer no heat spreader, same binned b-die, same quality PCB, and $1 less for the product. That being said, these sticks are a little on the tall side. Keep this in mind if there might be a clearance problem between your RAM and your tower cooler. If I wanted two kits of this, it would be an issue for me. But since I only want one and the slot nearest to the CPU is unoccupied, I have no clearance issue. I spent hours trying to get these to run at 3800 MT/s, to no avail. It is either the IMC inside my R5 3600XT or my motherboard (MSI B450 Pro Carbon WiFi), not the kit's fault. I had no trouble at all running at 3733 MT/s, and I got timings that were even better than were suggested by DRAM Calculator for Ryzen. I used 'fast' settings, 'A3/A2/B1' for for PCB rev, and (of course) "Samsung B-die' for memory type. I used the exact recommended primary, secondary, and tertiary timings. However, the termination resistances didn't work for me; I went with the board's defaults for those. After testing extensively at 15-15-15-15-30-1T and passing, I went for 14-14-14-14-28-1T. Those passed my quick testing and I am half way through the full battery of MemTest86 as I write this review. I am really, really comfortable with the looser settings and they are giving me everything I want. That being said, I am looking forward to hours and hours more fun tightening down the secondary and tertiary timings to not leave even one cycle of performance on the floor. If I get bored with that, I might be forced to game instead of benching -) For $125 I got a kit of the highest possible bin of B-die memory and it suits me perfectly. You can buy more expensive kits if you need the name "G.Skill" printed on the side, and still more expensive kits if you want that plus RGB. As for me, I don't care about anything except the bin quality and quality time at my bench. I figure I saved somewhere between $50 and $100 making this choice as opposed to the best bin of TridentZ RGB and lost exactly zero performance doing it. That is going to be my down payment on a shiny new R5 5600X as soon as I can get my sweaty little hands on one. Now, if you are still planning on buying these, I have a few quick tips for you to save some time: 1.) Have your bootable USB stick with MemTest86 on it ready before your package arrives. 2.) Use the same stick to save your OC profiles, unless your mobo will retain your profiles after clearing CMOS 3.) Plan on testing outside of your case unless you have a clear CMOS button on your back panel. 4.) For initial testing, cut the address range down to 4G and skip the last two tests, and do two passes instead of four. this will save you a ton of time. 5.) Once you have settings you like, run all tests, full address range over night before using them 24/7. 6.) Start at DRAM voltage of 1.5V. Once you have settings you like, you can experiment with cutting some voltage, if you like. This won't hurt anything and will save you some time upfront. 7.) Enjoy the ride. If this doesn't sound fun, just get a 3600 CL16 kit for $80, boot it in XMP and call it a day. I hope this helps and thank you for reading.
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Reviewed in the United States on October 30, 2020 by Aaron
Size: 16GB (2x8GB) 3600Mhz
What can I really say about ram… looks good enough, it was cheap, and works as intended.
Reviewed in the United States on July 4, 2025 by Joey Lee
Size: 32GB (2x16GB) 3200Mhz
As described, accurate timings.
Reviewed in the United States on June 13, 2025 by Tyler