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OWC 128GB (8x16) 5600MHz DDR5 RAM module โ€” OWC 128GB (8x16GB) DDR5 5600 PC5-44800 CL46 1Rx8 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers

OWC

OWC 128GB (8x16GB) DDR5 5600 PC5-44800 CL46 1Rx8 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers

In Stock
DDR5128GB (8x16)5600MHzCL46RDIMMECC
A
Chief Analyst Verdict

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

$395.00$3.09/GB

As of Jul 14, 2026 ยท Verify on Amazon ยท Price subject to change

$/GB vs DDR5 market avg

75% below avg
This product$3.09/GB
$3.09
DDR5 market avg$12.56/GB
$12.56

Deal score

65/100

At $3.09/GB โ€” 75% below the DDR5 market average.

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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: B0D1YP2DDR) 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.

Verified in stock

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

  • 75% below the overall DDR5 market average $/GB
  • Compatible with AMD Threadripper 7000 (TRX50) and AMD Threadripper PRO 7000 (sWRX9)

Limitations

  • No customer reviews available yet on Amazon
  • Limited price history โ€” recently added to tracking, trends not yet available
  • 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 128GB (8x16) DDR5 ECC DIMM specifications.

Gamingโœ• Not suited

ECC RAM is not supported on gaming platforms (consumer CPUs/boards)

Office / Schoolโœ• Not suited

ECC RAM requires server-grade hardware โ€” not compatible with standard office PCs

Content Creationโœ“ Ideal

ECC RAM protects long renders from silent data corruption โ€” ideal for professional workstations

Server / NASโœ“ Ideal

ECC RAM detects and corrects memory errors โ€” required for data-critical servers and ZFS storage

Laptop Upgradeโœ• Not suited

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

$395.00

23d Low

$395.00

23d High

$395.00

23d Avg

$395.00

Speed Ranking

Top 36%

5600MHz ranks in the top 36% of all DDR5 speeds tracked (1,496 modules).

SlowestFastest

About OWC

4.4โ˜…

avg rating

99

products tracked

Browse all OWC RAM prices

XMP 3.0 / EXPO Profile Activation Required

This is a high-performance DDR5-5600 memory kit. It will NOT run at advertised speeds out of the box.

JEDEC Fallback Behavior

By default, all motherboards boot using safe **JEDEC standards** (typically **4800MT/s**). If you plug this RAM in and boot immediately, your system will downclock to this baseline, losing up to **10% - 20% CPU bandwidth**.

How to Enable XMP/EXPO

  1. 1.Reboot PC, tap Del or F2 to enter **BIOS**.
  2. 2.Find memory settings and toggle **XMP / EXPO** to **Enabled**.
  3. 3.Save & Exit (press F10). PC will reboot at 5600MHz.
Platform compatibility warning: On AMD AM5 (DDR5 Ryzen 7000/9000), target EXPO kits for maximum stability. On Intel platforms, prioritize XMP kits. Both profiles work, but choosing native profiles optimizes memory training timings.

Specifications

Memory TypeDDR generation (DDR4 vs DDR5) ยท guide
DDR5
CapacityTotal kit memory size ยท guide
128GB (8x16)
Kit Configโœ“ 8ร— kit โ€” dual-channel ready
SpeedFrequency in MT/s or MHz ยท guide
5600MHz
CAS LatencyClock cycles response delay ยท guide
CL46
True LatencyAbsolute nanosecond latency
16.43 ns(High latency)= (46 ร— 2000) รท 5600
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop)
RDIMM
ECCError-correcting capability ยท guide
Yes
VoltageOperating voltage level
1.1V
ASIN
B0D1YP2DDR

Spotted a wrong price or spec? Report a data correction ยท How we verify data

Compatible Platforms

AMD Threadripper 7000 (TRX50)AMD Threadripper PRO 7000 (sWRX9)

Always verify with your motherboard's QVL before purchasing.

Cheaper Alternatives

Same 128GB DDR5 โ€” lower $/GB than this product

Browse all โ†’

Ranked by lowest $/GB. Same 128GB DDR5 DIMM only. Prices updated daily.

DDR5 Price by Capacity

Average $/GB across all DDR5 modules in the database

CapacityAvg $/GB
8GB$17.89/GB
16GB$19.10/GB
32GB$19.54/GB
64GB$20.84/GB
128GBThis product$25.20/GB

Also available from OWC

Same brand, different configurations

OWC

OWC 16GB DDR5 4800 PC5-38400 CL40 1Rx8 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Compatible with Dell Precision Workstation 5860 5860XL 7960 7960XL Towers and 7960 Rack

DDR516GB
$528.88

OWC

OWC 64GB (2x32GB) DDR5 4800 PC5-38400 CL40 2Rx8 288-pin 1.1V ECC Registered RDIMM Memory RAM Compatible with Dell Precision Workstation 5860 5860XL 7960 7960XL Towers and 7960 Rack

DDR564GB (2x32)
$1971.83

OWC

OWC 64GB (2x32GB) DDR5 4800 PC5-38400 CL40 2Rx8 288-pin 1.1V ECC Unbuffered UDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers

DDR564GB (2x32)4800MHz
$1910.38

OWC

OWC 32GB (2x16GB) DDR5 4800 PC5-38400 CL40 1Rx8 288-pin 1.1V ECC Unbuffered UDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers

DDR532GB (2x16)4800MHz
$1096.68

Frequently Asked Questions

Is the OWC 128GB (8x16) 5600MHz 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 $3.09/GB, this module is 75% below the overall DDR5 market average $/GB across all capacities. Check the price history chart above to see how the price has moved recently. Prices are updated daily from Amazon.

What is 5600MHz 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 OWC RAM compare to other brands?

OWC has 99 modules tracked with an average customer rating of 4.4โ˜…. This specific module is 75% below the overall DDR5 market average $/GB. Browse all OWC modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.

Is 128GB of RAM enough for gaming in 2026?

128GB is more than enough for gaming in 2026. Most AAA titles use 16โ€“24GB alongside Discord and a browser. 128GB gives you headroom for streaming, recording, and running multiple applications simultaneously.

What is the difference between a single 128GB stick and a 2ร—64GB kit?

This is already a 8ร—16GB dual-channel kit โ€” the correct configuration for maximum performance. Dual-channel mode doubles the memory bandwidth by using both memory channels simultaneously, improving performance in games and applications by 10โ€“30% compared to a single stick of the same total capacity.

Similar DDR5 RAM

OWC

OWC 128GB (8x16GB) DDR5 5200 PC5-41600 CL42 1Rx8 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers

DDR5128GB (8x16)5200MHz
$4321.32

Corsair

CORSAIR DOMINATOR PLATINUM RGB DDR5 RAM 64GB (2x32GB) 5600MHz CL40 Intel XMP iCUE Compatible Computer Memory - White (CMT64GX5M2B5600C40W)

DDR564GB (2x32)5600MHz
$913.99

Corsair

CORSAIR Dominator Platinum RGB DDR5 RAM 64GB (2x32GB) 5600MHz CL40 Intel XMP iCUE Compatible Computer Memory - Black (CMT64GX5M2X5600C40)

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$799.95

G.SKILL

G.SKILL Trident Z5 Neo RGB Series DDR5 RAM (AMD Expo) 64GB (2x32GB) 6000MT/s CL30-40-40-96 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6000J3040G32GX2-TZ5NR)

DDR564GB (2x32)6000MHz
$924.99
VK

Expertly Curated by C.R. Vinoth Kumar

Lead Hardware Analyst

C.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.

$395.00$3.09/GB
Buy on Amazon

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.