Samsung
Samsung 16GB DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Single Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R2GA3BB6-CQK
At $28.69/GB — DDR5 market rate.
Buy on AmazonProduct 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. Affiliate link.
At a Glance
Strengths
- +Compatible with AMD Threadripper 7000 (TRX50) and AMD Threadripper PRO 7000 (sWRX9)
Limitations
- −184% 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
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
Speed Ranking
Top 76%
4800MHz ranks in the top 76% of all DDR5 speeds tracked (1,235 modules).
Specifications
| Memory Type | DDR5 |
| Capacity | 16GB |
| Speed | 4800MHz |
| Form Factor | RDIMM |
| ECC | Yes |
| Voltage | 1.1V |
| ASIN | B0CFG8Z96C |
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
DDR5 Price by Capacity
Average $/GB across all DDR5 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $18.20/GB |
| 16GBThis product | $18.92/GB |
| 32GB | $18.12/GB |
| 64GB | $20.45/GB |
| 128GB | $26.14/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
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 137 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.
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
Patriot
Patriot Memory Viper Venom RGB DDR5 RAM 16GB (1X16GB) 6000MHz CL30 1.35v UDIMM Desktop Gaming Memory Compatible with Intel XMP/AMD Expo - PVVR516G60C30
Kingston
FURY Beast RGB 16GB 5200MT/s DDR5 CL40 DIMM Desktop Memory (Kit of 2) | Intel XMP 3.0 | Infrared Sync Technology | Overclocking Stability | KF552C40BBAK2-16