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4GB RAM Replacement for Hynix HMT451S6AFR8A-H9, HMT451S6BFR8A-H9, HMT451S6DFR8A-H9, HMT451S6MFR8A-H9 | DDR3 1333MHz PC3L-10600 SODIMM 1Rx8 Laptop Memory
- 4GB ( 1x 4GB Module ) | DDR3 1333 MHz ( PC3-10600 ) | DDR3 SODIMM ( 204-Pin ) | Non-ECC SODIMM ( Unbuffered SO-DIMM ) | 1.35V - DDR3 Low Voltage
- Compatible Equivalent for Hynix HMT451S6AFR8A-H9, HMT451S6BFR8A-H9, HMT451S6DFR8A-H9, HMT451S6MFR8A-H9
- High performance Memory RAM upgrade designed for Laptop/Notebook/All-in-One Computer Systems
- All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility
- A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
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Overview
Specs
Reviews
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An A-Tech Memory (RAM) upgrade is an easy, quick way to boost your system's performance by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle higher workloads. Take on more and multitask with ease with a simple and affordable A-Tech Memory upgrade!
Compatible Memory Module Replacement for Hynix:
HMT451S6AFR8A-H9
HMT451S6BFR8A-H9
HMT451S6DFR8A-H9
HMT451S6MFR8A-H9
Memory Specs
Memory Size: 4 GB ( 1 x 4 GB Module )
Memory Type: DDR3
Form Factor: SO-DIMM ( 204 Pin )
Speed: DDR3 1333 MHz ( PC3-10600 )
ECC Type: Non-ECC SO-DIMM ( Unbuffered SO-DIMM )
Voltage: 1.35V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Compatible Memory Module Replacement for Hynix:
HMT451S6AFR8A-H9
HMT451S6BFR8A-H9
HMT451S6DFR8A-H9
HMT451S6MFR8A-H9
Memory Specs
Memory Size: 4 GB ( 1 x 4 GB Module )
Memory Type: DDR3
Form Factor: SO-DIMM ( 204 Pin )
Speed: DDR3 1333 MHz ( PC3-10600 )
ECC Type: Non-ECC SO-DIMM ( Unbuffered SO-DIMM )
Voltage: 1.35V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by A-Tech Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
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A-Tech 4GB DDR3L laptop memory is a single 204-pin SO-DIMM rated at 1333MHz (PC3L-10600), 1.35V, CL9, non-ECC and unbuffered. It suits users upgrading a compatible laptop, notebook or all-in-one that supports these memory specifications.
Recommended For
- Owners of an older laptop with a failed or missing 4GB DDR3L SO-DIMM who want a replacement matching the listed 204-pin, 1333MHz memory type; check the laptop’s supported capacity and voltage before ordering.
- People keeping a compatible older laptop for email, documents, and a small number of browser tabs who need a basic memory replacement or upgrade—not a high-capacity multitasking setup.
- Laptop maintainers who have confirmed their system accepts DDR3L-1333 SO-DIMMs and want one 4GB module to replace an equivalent stick or add capacity within the laptop’s supported limit.
- Owners of an older 4GB laptop who can add this module and want more headroom for light multitasking, provided the laptop supports the resulting total memory capacity.
Real-World Use Scenarios
- Adding this module to a compatible older laptop with a free memory slot can give a memory-constrained system more room for everyday apps, reducing slowdowns caused by relying heavily on disk-based virtual memory; the total capacity depends on the laptop and its existing memory.
- For basic browsing, email, and document work on an older laptop, installing this memory can help keep routine tasks usable—especially when the system was running short on RAM—though 4GB alone remains limiting for many open tabs or apps.
- Replacing a faulty or lower-capacity module in a compatible laptop can restore reliable startup and everyday use; this is a repair or capacity change, not a guaranteed speed boost if memory was not the bottleneck.
- When refreshing an older laptop for light web use with a lightweight Linux setup, this module can be part of a low-cost memory upgrade; community reports suggest basic browsing can work, but performance also depends on the processor, storage, and software.
- For a spare or family laptop used mainly for email, reading, and occasional video playback, a compatible 4GB module can help keep basic tasks workable, but it is not a fix for a weak processor or demanding modern workloads.


















