Samsung
Samsung 16GB DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Single Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R2GA3BB6-CQK
Available Styles / Variations:
Enterprise ECC Stability
Validated by C.R. Vinoth Kumar · 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
$459.00$28.69/GBAs of May 30, 2026 · Verify on Amazon · Price subject to change
$/GB vs DDR5 market avg
179% above avgAt $28.69/GB — DDR5 market rate.
Buy on AmazonLoad alertsVerify Alternative Stores
Our systems refresh prices daily from Amazon.com to secure the absolute lowest USD market rate. You can cross-reference this RAM kit (ASIN: B0CFG8Z96C) against alternative marketplaces like Newegg or Crucial before buying.
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 we earn from qualifying purchases.
At a Glance
Strengths
- Compatible with AMD Threadripper 7000 (TRX50) and AMD Threadripper PRO 7000 (sWRX9)
Limitations
- 179% above the overall DDR5 market average $/GB
- Below-average customer rating (3.7★)
- Limited price history — recently added to tracking, trends not yet available
- Requires ECC-compatible CPU and motherboard — not supported on most consumer platforms
- Availability unconfirmed — may be out of stock or delisted
All points are derived from price data, customer ratings, and product specifications — not editorial opinion. Updated daily.
Is This RAM Right for You?
Based on 16GB DDR5 ECC DIMM specifications.
ECC RAM is not supported on gaming platforms (consumer CPUs/boards)
ECC RAM requires server-grade hardware — not compatible with standard office PCs
ECC RAM protects long renders from silent data corruption — ideal for professional workstations
ECC RAM detects and corrects memory errors — required for data-critical servers and ZFS storage
This is a desktop DIMM — laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.
Verdicts based on capacity, form factor, and ECC specifications — not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price History
Updated daily — track price trends over time
Current
$459.00
38d Low
$459.00
38d High
$459.00
38d Avg
$459.00
Speed Ranking
Top 75%
4800MHz ranks in the top 75% of all DDR5 speeds tracked (1,188 modules).
Specifications
Memory TypeDDR generation (DDR4 vs DDR5) · guide | DDR5 |
CapacityTotal kit memory size · guide | 16GB |
| Kit Config | ⚠ Single stick — runs in single-channel mode. Buy 2× for dual-channel performance. |
SpeedFrequency in MT/s or MHz · guide | 4800MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) | RDIMM |
ECCError-correcting capability · guide | Yes |
VoltageOperating voltage level | 1.1V |
ASIN | B0CFG8Z96C |
Spotted a wrong price or spec? Report a data correction · How we verify data
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
Cheaper Alternatives
Same 16GB DDR5 — lower $/GB than this product
NEMIX RAM
16GB 1X16GB DDR5 5600MHZ PC5-44800 1Rx8 1.1V CL46 288-PIN ECC Unbuffered UDIMM NEMIX RAM Desktop PC Memory Compatible with Dell PowerEdge T360 Tower Server10% cheaper/GB
Ranked by lowest $/GB. Same 16GB DDR5 DIMM only. Prices updated daily.
DDR5 Price by Capacity
Average $/GB across all DDR5 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $17.28/GB |
| 16GBThis product | $18.93/GB |
| 32GB | $17.28/GB |
| 64GB | $13.71/GB |
| 128GB | $3.27/GB |
Also available from Samsung
Same brand, different configurations
Samsung
PUSKILL 32GB DDR5 RAM (2x16GB) 6000MHz CL30 Desktop Memory | Ultra-Low Latency Gaming PC Upgrade | Intel XMP 3.0 & AMD EXPO Ready for 700/600 & Ryzen 7000 (AM5)
Samsung
PUSKILL 32GB DDR5 RAM (2x16GB) 4800MHz CL38 Desktop Memory Kit | High-Performance PC Upgrade for Gaming & Multitasking | Intel & AMD Ryzen 7000 (AM5) Compatible
Samsung
64GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx4 (EC8 10x4) Dual Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R8GA0BB0-CQK
Related pages
Frequently Asked Questions
Is the Samsung 16GB 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 $459.00 ($28.69/GB), this module is priced near the DDR5 market average. Check the price history chart above to see if prices have been trending up or down recently.
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 — most consumer platforms do not support ECC. See our ECC RAM guide for platform compatibility details.
How does Samsung RAM compare to other brands?
Samsung has 133 modules tracked with an average customer rating of 4.6★. Browse all Samsung modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
Is 16GB of RAM enough for gaming in 2026?
16GB is the minimum recommended for gaming in 2026. Most AAA titles use 12–16GB alongside Discord and a browser. 32GB is the sweet spot if you also stream, record, or run VMs.
What is the difference between a single 16GB stick and a 2×8GB kit?
A single 16GB stick runs in single-channel mode, using only one memory channel. A 2×8GB kit of the same total capacity runs in dual-channel mode, doubling memory bandwidth and improving real-world performance by 10–30%. For best performance, always buy RAM in matched pairs.
Similar DDR5 RAM
Crucial
Crucial 16GB DDR5 RAM, 5600MHz (or 5200MHz or 4800MHz) Desktop Memory, UDIMM 288-Pin, Compatible with Intel Core and AMD Ryzen - CT16G56C46U5
PNY
FURY Beast 16GB 5200MHz DDR5 CL40 Desktop Memory Single Module KF552C40BB-16
Kingston
Fury Beast 16GB 5600MT/s DDR5 CL40 DIMM Single Module Desktop Memory KF556C40BB-16
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 we earn from qualifying purchases. Prices are updated daily and may change on Amazon.