A-Tech 16GB

★★★★☆ 4.2 (31)

This 16GB DDR4 2133 MHz ECC Registered RDIMM module provides a direct, compatible replacement for Samsung M393A2G40DB0-CPB memory in select servers and workstations. Its dual-rank x4 design and standard 1.2V operation deliver reliable error correction for sustained system stability under load. This module is best for IT administrators needing a cost-effective, lifetime-warrantied memory upgrade to maintain aging server infrastructure.

Capacity 16GB
Kit 1 x 16GB
Memory DDR4
Speed 2133 MT/s
Form Factor RDIMM
ECC Yes
A-Tech 16GB ram
34 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong feature (87th percentile) 87th
  • Strong social proof (70th percentile) 70th

Cons

  • Below average latency (7th percentile)
  • Below average user sentiment (7th percentile)
  • Below average speed (23rd percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has improved over time
62/100Our AI sentiment readlow confidence · 9 sources · Jul 2026
1★2★3★4★5★Q2 '22: 5.0★ · 1 reviewQ3 '22: 1.0★ · 1 reviewQ1 '23: 4.0★ · 1 reviewQ2 '23: 5.0★ · 1 reviewQ3 '24: 5.0★ · 1 reviewQ3 '25: 3.5★ · 2 reviewsQ4 '25: 5.0★ · 2 reviews1111122Q2 '22Q3 '22Q1 '23Q2 '23Q3 '24Q3 '25Q4 '25
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Speed 22.5
Feature 87
Latency 6.8
Capacity 45.2
User Sentiment 6.9
Social Proof 69.5

Specifications

Full Specifications

Memory

Type DDR4
Form Factor RDIMM
Total Capacity 16384
Modules 1
Per Module 16384
Pins 288
Rank 2Rx4

Performance

Speed 2133
Voltage 1.2

Class

ECC Yes
Registered Yes

Features

RGB No

vs Competition

Spec A-Tech 16GB Corsair Vengeance RGB Pro SL CMH32GX4M2D3600C18W G.Skill TridentZ RGB Series F4-3600C16D-32GTZRC Patriot Viper Elite 5 VEB516G6030W PNY XLR8 Gaming EPIC-X RGB MD32GK2D4320016XRGB Kingston Fury Beast KF560C36BBE2A-16
Capacity 16GB 32GB 32GB 16GB 32GB 16GB
Kit 1 x 16GB 2 x 16GB 2 x 16GB 1 x 16GB 2 x 16GB 1 x 16GB
Memory Type DDR4 DDR4 DDR4 DDR5 DDR4 DDR5
Speed Mts 2133 3600 3600 6000 3200 6000
Cas Latency - CL18 CL16 CL30 CL16 CL36
Form Factor RDIMM UDIMM UDIMM UDIMM UDIMM UDIMM
Ecc true false false true false false
Compare Compare Compare Compare Compare
Product SpeedFeatureLatencyCapacityUser SentimentSocial Proof
A-Tech 16GB 22.5876.845.26.969.5
Corsair Vengeance RGB Pro SL CMH32GX4M2D3600C18W Compare 63.28787.570.978.798.2
G.Skill TridentZ RGB Series F4-3600C16D-32GTZRC Compare 63.28798.670.978.783.4
Patriot Viper Elite 5 VEB516G6030W Compare 87.496.987.545.2075.8
PNY XLR8 Gaming EPIC-X RGB MD32GK2D4320016XRGB Compare 53.58787.570.978.793.4
Kingston Fury Beast KF560C36BBE2A-16 Compare 87.465.574.945.261.777.6

Price

Value & Pricing

From $87 2 offers across 1 retailer
Amazon 2 offers From $87

Price History

$60 $70 $80 $90 $100 $110 Jun 8Jul 7Sep 8Oct 5Nov 5 $87

Usage Scores

Overall (33.5)Budget (49.7)Gaming (30.1)Laptop (28)Server (61.6)Workstation (39.4)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

Similar Products