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Key Features
Compatibility
Product Description
The SK hynix HMAA4GS7AJR8N-VK is a 32GB DDR4-2666 ECC unbuffered SO-DIMM memory module designed for compatible servers, workstations and specialist systems requiring 260-pin ECC SO-DIMM memory. With a 2Rx8 dual-rank configuration and 1.2V operation, it provides reliable memory expansion where the system specifically supports ECC UDIMM-style SO-DIMM modules.
Important: This is ECC unbuffered SO-DIMM memory. It is not a standard non-ECC laptop SO-DIMM or a registered RDIMM. Please confirm your device's supported memory type before ordering.
Product Q&A
Q: Is this ECC memory?
A: Yes. This module supports error-correcting code (ECC), provided the host system supports ECC operation.
Q: Is this registered or unbuffered?
A: It is unbuffered ECC SO-DIMM memory, not registered (RDIMM) memory.
Q: Will it work in any DDR4 laptop?
A: No. Your system must support 32GB DDR4 260-pin ECC unbuffered SO-DIMM modules. Check your manufacturer's compatibility documentation.
Q: What is the module's speed?
A: DDR4-2666, rated at 2666 MT/s (PC4-21300). The effective operating speed depends on the host system.
Specifications
| Manufacturer | SK hynix |
| Manufacturer Part Number | HMAA4GS7AJR8N-VK |
| Capacity | 32GB (1 × 32GB module) |
| Memory Technology | DDR4 SDRAM |
| Speed | 2666 MT/s (PC4-21300) |
| Form Factor | 260-pin SO-DIMM |
| ECC | Yes |
| Buffering | Unbuffered |
| Rank / Organisation | 2Rx8; 4G × 72 |
| Voltage | 1.2V |
| CAS Latency | CL19 |
Compatibility
For systems specifically supporting DDR4-2666 260-pin ECC unbuffered SO-DIMM memory modules and 32GB capacity per slot. Not interchangeable with non-ECC SO-DIMMs, registered DIMMs or desktop 288-pin DIMMs. Please verify the exact system model and memory requirements before purchase.
Shipping & VAT
- Free UK Shipping: Delivered in approx. 2 working days
- Express Options: Faster methods available at checkout
- Free Shipping to Ireland: For orders over £100.00
- International Delivery: Times vary by destination; shipped via FedEx or DHL
- 30-Day Returns: Return within 30 days from order date
- UK, Ireland and EU Customers: Free return label provided
- Full Return Policy: Read Here
- Full Shipping Details: Read Here
VAT & Duties Information
UK & EU Customers: The price shown on our website is the final price you pay. No additional VAT, customs duties, or import fees will be charged upon delivery.
Orders are dispatched from Northern Ireland, allowing us to serve customers across the United Kingdom and the European Union without unexpected import charges.
Non-UK and non-EU destinations: Local taxes, customs duties, and import fees may apply and are the responsibility of the recipient.
Payment
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Customer Service
Email and chat available 24/7
Free number UK: 08001954072
International: +442838341148
Phone Line Opening Hours
- Monday - Friday: 09:00-17:00
