A-Tech
A-Tech 32GB RAM Replacement for Samsung M321R4GA0BB0-CQK | DDR5 4800MHz PC5-38400R EC8 RDIMM 1Rx4 1.1V 288-Pin ECC Registered Server Memory Module (M321R4GA0BB0-CQK-ATC)
Enterprise ECC Stability
Validated by C.R. Vinoth Kumar ยท Founder & Senior Editor
This is an Error Correcting Code (ECC) server module designed to prevent silent data corruption in 24/7 server environments (like TrueNAS/ZFS or enterprise workloads). Ensure your motherboard and CPU officially support ECC before purchasing.
Current price
$827.63$25.86/GBAs of Jul 14, 2026 ยท Verify on Amazon ยท Price subject to change
$/GB vs DDR5 market avg
106% above avgAt $25.86/GB โ DDR5 market rate.
Good time to buy
Price is near its tracked low of $827.63 โ in the bottom 20% of its recorded range.
Also sold elsewhere
Prices on this page are Amazon.com prices from our Creators API refresh (as of the last update). You can look up this kit (ASIN: B0DF3L2SF2) on other retailers such as Newegg or Crucial โ we do not display their prices here. Always verify the checkout price on Amazon before purchasing.
Product prices and availability are accurate as of the date of the last daily update and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product. As an Amazon Associate I earn from qualifying purchases.
At a Glance
Strengths
- Compatible with AMD Threadripper 7000 (TRX50) and AMD Threadripper PRO 7000 (sWRX9)
- Price near its tracked low of $827.63
Limitations
- 106% above the overall DDR5 market average $/GB
- No customer reviews available yet on Amazon
- Requires ECC-compatible CPU and motherboard โ not supported on most consumer platforms
All points are derived from price data, customer ratings, and product specifications โ not editorial opinion. Updated daily.
Is This RAM Right for You?
Based on 32GB DDR5 ECC DIMM specifications.
ECC RAM is not supported on gaming platforms (consumer CPUs/boards)
ECC RAM requires server-grade hardware โ not compatible with standard office PCs
ECC RAM protects long renders from silent data corruption โ ideal for professional workstations
ECC RAM detects and corrects memory errors โ required for data-critical servers and ZFS storage
This is a desktop DIMM โ laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.
Verdicts based on capacity, form factor, and ECC specifications โ not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price History
Updated daily โ track price trends over time
Current
$827.63
58d Low
$827.63
58d High
$879.99
58d Avg
$862.84
Price Range
Tracked low
$827.63Current
$827.63Tracked high
$879.99โ Near tracked low
Speed Ranking
Top 74%
4800MHz ranks in the top 74% of all DDR5 speeds tracked (1,496 modules).
Z-Score Deviation
Great Deal (Underpriced)
Deviation: -1.43ฯ
Highly favorable pricing! The current cost is significantly below normal market margins.
Specifications
Memory TypeDDR generation (DDR4 vs DDR5) ยท guide | DDR5 |
CapacityTotal kit memory size ยท guide | 32GB |
| Kit Config | โ Single stick โ runs in single-channel mode. Buy 2ร for dual-channel performance. |
SpeedFrequency in MT/s or MHz ยท guide | 4800MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) | RDIMM |
ECCError-correcting capability ยท guide | Yes |
VoltageOperating voltage level | 1.1V |
ASIN | B0DF3L2SF2 |
Spotted a wrong price or spec? Report a data correction ยท How we verify data
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
Cheaper Alternatives
Same 32GB DDR5 โ lower $/GB than this product
73% cheaper/GB
52% cheaper/GB
Lexar
Lexar Thor Z Series RGB DDR5 RAM 32GB Kit (2x16GB) 6000 MHz, DRAM 288-Pin UDIMM Desktop, PC High-Performance Gaming Computer Memory for Intel XMP 3.0/AMD Expo, PMIC/On-die ECC/1.35V48% cheaper/GB
Ranked by lowest $/GB. Same 32GB DDR5 DIMM only. Prices updated daily.
DDR5 Price by Capacity
Average $/GB across all DDR5 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $17.89/GB |
| 16GB | $19.10/GB |
| 32GBThis product | $19.54/GB |
| 64GB | $20.84/GB |
| 128GB | $25.20/GB |
Also available from A-Tech
Same brand, different configurations
A-Tech
A-Tech 64GB Kit (4x16GB) DDR5 5600MHz PC5-44800 CL46 UDIMM 1.1V Non-ECC Unbuffered DIMM 288-Pin Desktop PC/Computer RAM Memory Upgrade Modules
A-Tech
A-Tech 128GB Kit (4x32GB) DDR5 4800MHz PC5-38400 CL40 UDIMM 2Rx8 Dual Rank 1.1V Non-ECC Unbuffered DIMM 288-Pin Desktop PC/Computer RAM Memory Upgrade Modules
A-Tech
A-Tech 32GB DDR5 5600MHz PC5-44800 CL46 UDIMM 2Rx8 Dual Rank 1.1V Non-ECC Unbuffered DIMM 288-Pin Desktop PC/Computer RAM Memory Upgrade Module
Related pages
Frequently Asked Questions
Is the A-Tech 32GB 4800MHz DDR5 compatible with my motherboard?
This module is compatible with AMD Threadripper 7000 (TRX50), AMD Threadripper PRO 7000 (sWRX9). Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.
Is this DDR5 module a good deal right now?
At $827.63, this module is near its tracked price low of $827.63 โ historically a good time to buy. Check the price history chart above for context. Prices are updated daily from Amazon.
What is 4800MHz RAM used for?
This is an ECC (Error-Correcting Code) RAM module designed for servers, workstations, and NAS systems where data integrity is critical. ECC RAM detects and corrects single-bit memory errors automatically. It requires a compatible CPU and motherboard โ most consumer platforms do not support ECC. See our ECC RAM guide for platform compatibility details.
How does A-Tech RAM compare to other brands?
A-Tech has 324 modules tracked with an average customer rating of 4.6โ . Browse all A-Tech modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
Is 32GB of RAM enough for gaming in 2026?
32GB is more than enough for gaming in 2026. Most AAA titles use 16โ24GB alongside Discord and a browser. 32GB gives you headroom for streaming, recording, and running multiple applications simultaneously.
What is the difference between a single 32GB stick and a 2ร16GB kit?
A single 32GB stick runs in single-channel mode, using only one memory channel. A 2ร16GB kit of the same total capacity runs in dual-channel mode, doubling memory bandwidth and improving real-world performance by 10โ30%. For best performance, always buy RAM in matched pairs.
Similar DDR5 RAM
Crucial
Crucial 32GB DDR5 RAM, 5600MHz (or 5200MHz or 4800MHz) Desktop Memory, UDIMM 288-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT32G56C46U5
Kingston
Kingston FURY Beast RGB 32GB 6000MT/s DDR5 CL30 Desktop Memory | AMD EXPO | Single Module | KF560C30BBEA-32
Kingston
Kingston FURY Beast 32GB 6000MT/s DDR5 CL36 RGB Desktop Memory Single Module | Infrared Syncing | AMD EXPO | KF560C36BBEA-32
Expertly Curated by C.R. Vinoth Kumar
Lead Hardware AnalystC.R. Vinoth Kumar is a senior systems systems engineer and memory hardware architect with over 12 years of experience benchmarking computer components, building performance virtualization servers, and assembling local LLM inference rigs. Every memory module tracked in our database is mathematically checked using custom telemetry to isolate nanosecond CAS latency bounds, price-per-gigabyte market averages, and Ryzen/Intel platform pairings.
As an Amazon Associate I earn from qualifying purchases. Prices updated daily. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.