Patriot
Patriot Viper Venom DDR5-6400 Spec and Price in Brazil
DDR52x16GBUDIMM10.00 ns true latency
The Venom line's 6400 MT/s class runs the 32GB kit at CL32 with 32-40-40-84 timings and 1.4V, per the documented listing and B&H specs — a step up in both clock and voltage from the 6000 kits, also sold in RGB trim.
Tied 19th of 139 models in the RAM catalog on Speed — 19 models share this figure.
Current best price
No tracked price — this page compares specifications alone.
Specifications
- Capacity
- 2x16GB
- True latency
- 10.00 ns
- Memory type
- DDR5
- Speed
- 6400 MT/s
- CAS latency
- Form factor
- UDIMM
- Voltage
- 1.4 V
- Timings
- 32-40-40-84
- Modules
- 2
- RGB
- No
Capacities
| Configuration | Part number | Speed | CAS latency | True latency |
|---|---|---|---|---|
| 2x16GB | PVV532G640C32K | 6400 MT/s | 32 | 10.00 ns |
| 2x16GB CL32 RGB | PVVR532G640C32K | 6400 MT/s | 32 | 10.00 ns |
| 2x32GB | PVV564G640C32K | 6400 MT/s | 32 | 10.00 ns |
What owners and reviewers say
Summarised from 2 source(s), reviewed September 13, 2026. A source is counted only where it names this model exactly. How we track prices
Commonly praised
- A low-profile heatspreader with RGB lighting avoids clearance problems, using direct thermal pads over the chips.
- Reliable high-grade chips hold a stable overclock, and the kit is competitively priced with a lifetime warranty.
- Owners report it works at its rated speed once XMP is switched on, including on AMD systems through the XMP profile.
- Several owners consider it strong value compared with pricier high-speed DDR5 kits, and some report a snappier system after upgrading.
- Kits that passed lengthy memory testing are described as stable and error-free.
- It is called easy to install and not too tall, so it clears large CPU coolers.
Commonly criticised
- The rated transfer rate is not an ideal match for AM5 processors, and overclocking gains are modest.
- A striking number of owners received a kit with a dead module or report boot failures, kernel errors and blue screens traced to the memory.
- The heatsink attachment is described as weak, with more than one owner finding it loose or already detached.
- Pricing is still called high, and owners note the real-world gain over low-latency DDR4 is modest for the money.
Sources behind this summary
- aphnetworks.com — review
- Newegg — 4 out of 5 (197 ratings), as of September 15, 2026
Guides for this category
How much RAM you actually needHow to size memory from the pressure your machine is under now, why running short quietly costs speed, and when a matched pair beats one stick.RAM speed and latency, and when they matterWhat a kit's MT/s and CAS latency each measure, why true latency is the two together, and the machines where the numbers actually change anything.SO-DIMM vs DIMM: the memory a laptop takesWhy laptop memory is a different module from desktop memory, how DDR4 and DDR5 are keyed apart, and why some machines take no module at all.What is ECC memory, and when you need itWhat error-correcting memory actually catches, how registered and load-reduced modules differ from unbuffered ones, and why the platform decides.
Sources
Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.