Specifications and Features
FEATURES:
- Series: Viper 4 Blackout
- Edition: Black Sides / Black Top
- Compatibility: Tested across latest Intel and AMD series motherboards for reliably fast performance
- Feature Overclock: XMP 2.0 support for automatic overclocking.
- Aluminum heat spreader for faster heat dissipation and cooler operation
- Limited lifetime warranty
SPECIFICATIONS:
- Capacity: 16GB (2 x 8GB)
- Base Frequency: PC4-17000 (2133MHz)
- Base Timings: 15-15-15-36
- Tested Frequency Profile 1: PC4-35200 (4400MHz)
- Tested Timings: 18-26-26-46
- Tested Voltage for Profile 1: 1.45V
- Format: NON-ECC Unbuffered DIMM
- Pin Out: 288-Pin
The Viper 4 Blackout at DDR4-4400 is available as a 16GB memory kit, two 8GB memory modules. Since we wanted to add additional tests that will be interesting for a wider audience, we used two of these memory kits in our tests. Patriot is not guaranteeing stable work using two 16GB DDR4-4400 memory kits. What’s more, the Blackout DDR4-4400 memory is listed as compatible with the latest Intel chipsets and selected motherboards while our tests were performed on the AMD Ryzen. AMD Ryzen is more popular recently. I’m sure that many users will try their luck with the Blackout series and the latest AMD processors, especially considering the meager price of the DDR4-4400 kits from Patriot.
The memory has two XMP profiles:
- XMP#1 DDR4-4400 18-26-26-46 1.45V
- XMP#2 DDR4-4266 18-22-22-42 1.40V
Depends on the motherboard and memory controller, one or the other may work better.
Patriot decided to use the most popular and simply the best memory IC for overclocking, known as Samsung B-die. For compatibility reasons, most main timings are quite relaxed, but CL18 suggests something good as not many memory chips run at so low CL and DDR4-4400.
During our tests were no problems with memory stability at rated speed, but some motherboards couldn’t handle four memory modules at more than DDR4-4000 or DDR4-4133. For example, ASUS Strix B550-F Gaming couldn’t boot at more than DDR4-3933, while two memory modules could pass DDR4-4600 without issues. Simple conclusion, if you want to use more than two memory modules, then you have to risk or invest in a more expensive motherboard. Our tests were performed on MSI X570 Unify, and this is what I recommend as probably the cheapest motherboard with high memory support on all four memory slots.
Above is a screenshot with the mentioned MSI X570 Unify motherboard.
