Patriot Viper 4 Series 8GB DDR4 2400MHz CL15



1. Introduction

Founded in 1985 with its headquarters in Fremont, California. Patriot Memory: is a company specialized in designing and manufacturing of memory, flash based storage units and mobile accessories. The company has as the main objective: offering products with a good ratio between quality and price.
Viper Gaming represents the entrance on the gaming accessories market of Patriot Memory, this brand at the moment offers three types of products: Keyboards, Mices and Headsets.



Official product link:

2. Packaging and accessories

The Kit is packaged in a blue box with white accents.
The front side consists of a transparent plastic window, on the right side there are printed both the name of the product and the type, capacity and frequency of it.


On the back side there are printed some details regarding the Viper 4 line and additional information about the warranty of the RAM kit. On the top part we find the name of the RAM line. On the lower part there are printed details about the manufacturer.


The two RAM modules of the Kit are packaged in a clear plastic tray.



The memory kit is accompanied by a case badge of the manufacturer’s logo.


3. Specifications

Name: Patriot Viper 4 Series 8GB DDR4 2400MHz CL15
Model: PV48G240C5K
Color: Black/Red
Memory Type: DDR4
Memory Speed: 2400MHz
DRAM Memory Timings: 15-15-15-35
Capacity: 8GB
Voltage: 1.2V
Memory Configuration: Dual Channel Kit
Registered/Unbuffered: Unbuffered
Error Checking: Non-ECC
Warranty: Limited Lifetime

4. Visual inspection

The Viper 4 model features a metallic heatsink which covers the memory on both sides. The heatsink has a linear design and it is composed of two segments, these use a black & red color scheme. Also the RAM features a black PCB.
On the front side of the heatsink there is the name of the memory line while the graphics background uses a linear design.


DSCF8675 DSCF8678

On the back side there is a label which contains the model, capacity & frequency of the Kit.


The upper heatsink is painted in pearl red, a type of paint often found in higher priced RAM.

DSCF8683 DSCF8688 DSCF8682

The memory measures 41mm in height being compatible with the majority of the CPU coolers.

DSCF8690 DSCF8691

The upper radiator is designed to dissipate the heat from the memory chips. This heatsink is also detachable being mounted on the main heatsink with the help of two metallic screws.
Once the top heatsink is detached the memory is approximately 7mm shorter, thus being compatible with the majority of the air coolers.

DSCF8696 DSCF8700 DSCF8694 DSCF8695 DSCF8703

5. Testing

The following system was used to test the memory kit:
– Processor: Intel i5 6600K @ 3.9 GHz
– Motherboard: MSI Z170A Gaming M7
– Graphics Card: MSI GeForce GTX 970 Armor 2X 4G
– SSD: Samsung 840 EVO 120GB
– HDD: Samsung SpinPoint F3 500GB
– PSU: Antec Edge 550W Gold
– CPU Cooler: NZXT Kraken x61
– Display: AOC i2769VM
– Case: Fractal Design Define R5
– OS: Windows 7 64-bit Service Pack 1

DSCF8719 DSCF8730 DSCF8727

The RAM was tested using the CPU at its turbo frequency of 3.9 GHz. The RAM was firstly tested using the standard X.M.P frequency while the second test was done with the memory at the maximum frequency reached in Overclock. Each test was done three times.


stock cpuz





Software used for testing the memory kit:
– CineBench R15
– Rise of the Tomb Raider
– SuperPi 1.55 Mod
– wPrime V2.10 1024M
– AIDA64 Extreme Version: 5.60.3700 (12/07/2015)

The test results are as follows:


CineBench R15



Rise of the Tomb Raider



SuperPi 1.55 Mod



wPrime V2.10 1024M



AIDA64 Read-Write



AIDA64 Latency



6. Final thoughts

The main feature of the Viper 4 Series 8GB DDR4 2400MHz memory is the performance to price ratio. The heatsink is composed of two segments and provides adequate cooling for the memory, standing out with its unique look. Also, the possibility of reducing the memory’s height by detaching the top heatsink is a welcomed feature.
From an overclocking point of view this kit reached a frequency of 2907MHz with a voltage of 1.26. The performance gain in games being more than satisfactory.
In conclusion, the Patriot Viper 4 Series 8GB DDR4 2400MHz kit stands out through its performance and stability while being reasonably priced.

Leave a Reply

Your email address will not be published. Required fields are marked *