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Corsair

CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GB

▲ 500 ▼

Release date ≈ Q1 2018.

Average Bench: 94.9% (14th of 115)

Based on 22 user benchmarks.  Model: Corsair CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GB
Poor: 83%Average: 94.9% Great: 105%

Popular builds with this RAM

Excellent average bench

The Corsair CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GB averaged just 5.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 52.7GB/s
Avg. 16 Core Read Bench 30.7GB/s

Good consistency

The range of scores (95th - 5th percentile) for the Corsair CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GB is 21.3%. This is a relatively narrow range which indicates that the Corsair CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 6.45GB/s
Avg. 1 Core Mixed IO Bench 9.65GB/s
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Average Bench

(Based on 22 samples)
Rank 1494.9%
Min Avg Max
26.5 MC Read 30.7 34.6
45.3 MC Write 52.7 59.4
26.4 MC Mixed 30.5 34.9
108% 38 GB/s
Min Avg Max
1.5 SC Read 6.45 8.6
6.9 SC Write 21.7 25.4
2.8 SC Mixed 9.65 11.3
36% 12.6 GB/s
Min Avg Max
72.2 Latency 87.5 99.8
45.7% 87.5 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2666, 2666, 2666, 2666, 2666, 2666, 2666, 2666 MHz
8192, 4096, 8192, 4096, 8192, 4096, 8192, 4096 MB
105% Outstanding
MC Read 34.6
MC Write 56.6
MC Mixed 34.6
120% 41.9 GB/s
SC Read 7.7
SC Write 24.8
SC Mixed 11
41% 14.5 GB/s
Latency 81.3
49% 81.3 ns
2133, 2133, 2133, 2133, 2133, 2133, 2133, 2133 MHz
8192, 4096, 8192, 4096, 8192, 4096, 8192, 4096 MB
87.9% Excellent
MC Read 28.7
MC Write 46.9
MC Mixed 29.2
100% 34.9 GB/s
SC Read 7.5
SC Write 22.1
SC Mixed 9.3
37% 13 GB/s
Latency 98.2
41% 98.2 ns
2133, 2133, 2133, 2133, 2133, 2133, 2133, 2133 MHz
8192, 4096, 8192, 4096, 8192, 4096, 8192, 4096 MB
87.1% Excellent
MC Read 28.3
MC Write 46.7
MC Mixed 28.8
99% 34.6 GB/s
SC Read 7.5
SC Write 21.5
SC Mixed 9.3
36% 12.8 GB/s
Latency 95.8
42% 95.8 ns
2133, 2133, 2133, 2133, 2133, 2133, 2133, 2133 MHz
8192, 4096, 8192, 4096, 8192, 4096, 8192, 4096 MB
83.4% Excellent
MC Read 26.8
MC Write 45.3
MC Mixed 26.4
94% 32.8 GB/s
SC Read 6.9
SC Write 22.6
SC Mixed 9.6
37% 13 GB/s
Latency 92.3
43% 92.3 ns
2133, 2133, 2133, 2133, 2133, 2133, 2133, 2133 MHz
8192, 4096, 8192, 4096, 8192, 4096, 8192, 4096 MB
83.3% Excellent
MC Read 26.5
MC Write 45.6
MC Mixed 26.8
94% 33 GB/s
SC Read 6.6
SC Write 21.5
SC Mixed 9.9
36% 12.7 GB/s
Latency 99.8
40% 99.8 ns
22 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 66,999,910 RAM Kits tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GB Builds (Compare 831 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 105%
UFO
Desktop
Desktop 90%
Aircraft carrier
Workstation
Workstation 113%
UFO

Motherboard: Asus ROG RAMPAGE VI EXTREME

CPU
Core i9-7900XIntel  $462Bench 82%, 19,432 samples186x
Core i9-7980XEIntel  $1,509Bench 80%, 4,653 samples168x
Core i7-7820XIntel  $375Bench 80%, 28,524 samples126x
GPU
GTX 1080-TiNvidia  $485Bench 124%, 840,268 samples186x
RTX 3090Nvidia  $1,306Bench 210%, 158,856 samples95x
RTX 2080-TiNvidia  $441Bench 156%, 357,946 samples83x
SSD
960 Pro NVMe PCIe M.2 1TBSamsung  $249Bench 279%, 18,356 samples51x
960 Pro NVMe PCIe M.2 512GBSamsung  $139Bench 266%, 63,520 samples49x
970 Evo Plus NVMe PCIe M.2 1TBSamsung  $76Bench 310%, 455,997 samples45x
RAM
CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GBCorsairBench 95%, 22 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 63% - Good Total price: $1,196

Popular CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 CMK16GX4M2A2800C16 CMK16GX4M4A2800C16 CMR16GX4M2A2666C16 CMK16GX4M4A2800C16 48GB compatible motherboards:

How Fast Is Your RAM? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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  • - Drive tests include: read, write, sustained write and mixed IO
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Memory Kit Rankings (Price vs Performance) April 2024 RAM Rankings

We calculate effective RAM speed which measures performance for typical desktop users. Effective speed is adjusted by current cost per GB to yield value for money. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top Memory Kits. [RAMPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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Speed Comparisons

vs Corsair Vengeance LPX DDR4 3200 C16 2x8GB
vs Corsair Vengeance LPX DDR4 3000 C15 2x8GB
vs G.SKILL Trident Z DDR4 3200 C14 4x16GB
vs G.SKILL Trident Z DDR4 3600 C16 2x8GB
vs HyperX Fury DDR4 2133 C14 2x8GB
vs Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2133 C13 2x8GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB
vs G.SKILL Ripjaws 4 DDR4 2400 C14 8x16GB

115 Memory Kits (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different RAM Kits perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

Computer Components FAQ
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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