Factory Original 64GB (2x32GB) Compatible for HP Proliant Servers DDR4 2666MHZ PC4-21300 ECC Registered Chip RDIMM 2Rx4 CL19 1.2v Server Memory RAM Upgrade Adamanta (Red)
This Adamanta 64GB (2x32) 2666MHz DDR4 ECC desktop kit is $460.00 ($7.19/GB), 23% below similar 64GB (2x32) DDR4 peer $/GB. In stock on Amazon. Red variant.
Type
DDR4
Capacity
64GB (2x32)
Speed
2666MHz
Price
$460.00
Current price
$460.00$7.19/GBAs of 04:15 UTC · Verify on Amazon · Price subject to change
23% below peer $/GB
$7.19/GB vs similar 64GB (2x32) DDR4 kits
As an Amazon Associate I earn from qualifying purchases. Prices as of 04:15 UTC. 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.
Adamanta
Factory Original 64GB (2x32GB) Compatible for HP Proliant Servers DDR4 2666MHZ PC4-21300 ECC Registered Chip RDIMM 2Rx4 CL19 1.2v Server Memory RAM Upgrade Adamanta (Red)
This Adamanta 64GB (2x32) 2666MHz DDR4 ECC desktop kit is $460.00 ($7.19/GB), 23% below similar 64GB (2x32) DDR4 peer $/GB. In stock on Amazon. Red variant.
At a Glance
Strengths
- 23% below the 64GB (2x32) DDR4 peer median $/GB
Limitations
- No customer reviews available yet on Amazon
- 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.
Cheaper Alternatives
Same 64GB DDR4 — lower $/GB than this product
40% cheaper/GB
39% cheaper/GB
A-Tech
A-Tech 64GB DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Module (A-Tech Enterprise Series)37% cheaper/GB
Ranked by lowest $/GB. Same 64GB DDR4 DIMM only. Prices updated daily.
Specifications
Catalog data as of 04:15 UTC
Memory TypeDDR generation (DDR4 vs DDR5) · guide | DDR4 |
CapacityTotal kit memory size · guide | 64GB (2x32) |
| Kit Config | ✓ 2× kit — dual-channel ready |
SpeedFrequency in MT/s or MHz · guide | 2666MHz |
CAS LatencyClock cycles response delay · guide | CL19 |
True LatencyAbsolute nanosecond latency | 14.25 ns(High latency)= (19 × 2000) ÷ 2666 |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) | RDIMM |
ECCError-correcting capability · guide | Yes |
ASIN | B0B3KH24BC |
Spotted a wrong price or spec? Report a data correction · How we verify data
Specs & prices refreshed 04:15 UTC. Verify on Amazon at checkout.
Price History
Updated daily — track price trends over time
Current
$460.00
106d Low
$460.00
106d High
$460.00
106d Avg
$460.00
Deal score
65/100
Frequently Asked Questions
Is the Adamanta 64GB (2x32) 2666MHz DDR4 compatible with my motherboard?
Compatibility depends on your motherboard's supported memory type (DDR4), speed, and capacity. Check your motherboard manufacturer's QVL list to confirm this module is validated for your specific board.
Is this DDR4 module a good deal right now?
At $7.19/GB, this module is 23% below the 64GB (2x32) DDR4 peer median $/GB. Check the price history chart for recent movement. Prices are updated daily from Amazon.
What is 2666MHz 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 Adamanta RAM compare to other brands?
Adamanta has 35 modules tracked with an average customer rating of 4.5★. This specific module is 23% below the 64GB (2x32) DDR4 peer median $/GB. Browse all Adamanta modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
Is a 2×32GB kit better than a single stick?
This is already a 2×32GB kit (dual-channel capable) — the correct configuration for maximum bandwidth on supported platforms. Matched multi-stick kits use multiple memory channels simultaneously, improving real-world performance versus a single stick of the same total capacity.
Similar DDR4 RAM
Patriot
Patriot Viper Steel RGB DDR4 RAM 64GB (2X32GB) 3200MHz CL18 RGB Memory
NVTEK
NVTEK 64GB (2X32GB) DDR4 2666MHz PC4-21300 UDIMM 2Rx8 1.2V CL19 288-PIN Non-ECC Unbuffered Desktop PC Computer Memory KIT
G.Skill
G.SKILL Trident Z Neo Series DDR4 RAM (XMP) 64GB (2x32GB) 3600MT/s CL16-22-22-42 1.45V Intel AMD Desktop Computer Memory U-DIMM (F4-3600C16D-64GTZN)
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Is This RAM Right for You?
Based on 64GB (2x32) DDR4 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.
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.
Speed Ranking
Top 46%
2666MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).
About Adamanta
4.5★
avg rating
35
products tracked
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $8.10/GB |
| 16GB | $7.81/GB |
| 32GB | $7.48/GB |
| 64GBThis product | $7.81/GB |
| 128GB | $7.42/GB |
Also available from Adamanta
Same brand, different configurations
Adamanta
Factory Original 64GB (8x8GB) Compatible for HP Proliant Servers DDR4 2133MHZ PC4-17000 ECC Registered Chip RDIMM 1Rx4 CL15 1.2v Server Memory RAM Upgrade Adamanta
Adamanta
Factory Original 32GB (1x32GB) Compatible for HP Proliant Servers DDR4 2666MHZ PC4-21300 ECC Registered Chip RDIMM 2Rx4 CL19 1.2v Server Memory RAM Upgrade Adamanta
Adamanta
Adamanta 32GB (1x32GB) Server Memory Compatible for Dell PowerEdge FC830 DDR4 2400MHZ PC4-19200 ECC Registered Chip 2Rx4 CL17 1.2v Upgrade DRAM RAM
Related pages
Amazon prices on this page. ASIN B0B3KH24BC may also appear on Newegg - we do not show competitor prices.
Reviewed by C.R. Vinoth Kumar
Editor & FounderVinoth is an InfoSec consultant, independent technical blogger, and the developer of RAM Prices, with 12+ years in IT. He reviews buying guides and maintains the site's automated checks for price per GB, specification confidence, availability, and AMD/Intel platform compatibility. See the methodology for the exact ranking rules and limitations.
As an Amazon Associate I earn from qualifying purchases. Prices as of 04:15 UTC. 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.