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8GB RAM Replacement for IBM-Lenovo 4X70S69155, 4X70Z50946, 4ZC7A08696 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
- 8GB ( 1x 8GB Module ) | DDR4 2666 MHz ( PC4-21300 ) | DDR4 DIMM ( 288-Pin ) | ECC UDIMM ( ECC Unbuffered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Equivalent for IBM-Lenovo 4ZC7A08696, 4X70S69155, 4X70Z50946
- High performance Memory RAM upgrade designed for Server/Workstation 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
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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 IBM-Lenovo:
4ZC7A08696
4X70S69155
4X70Z50946
Memory Specs
Memory Size: 8 GB ( 1 x 8 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2666 MHz ( PC4-21300 )
ECC Type: ECC UDIMM ( ECC Unbuffered DIMM )
Voltage: 1.2V
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 IBM-Lenovo:
4ZC7A08696
4X70S69155
4X70Z50946
Memory Specs
Memory Size: 8 GB ( 1 x 8 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2666 MHz ( PC4-21300 )
ECC Type: ECC UDIMM ( ECC Unbuffered DIMM )
Voltage: 1.2V
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 8GB DDR4-2666 ECC UDIMM is a single 1Rx8 server memory module for compatible server and workstation systems that support unbuffered ECC DDR4 memory. It is listed as an equivalent replacement for IBM-Lenovo part numbers 4ZC7A08696, 4X70S69155, and 4X70Z50946.
Recommended For
- IT teams maintaining a Lenovo ThinkSystem ST50, SR250, or ST250 configuration that supports 8GB DDR4-2666 ECC UDIMMs and needs a like-for-like replacement or capacity addition.
- Lenovo ThinkStation P330 owners seeking an 8GB, 2666MHz ECC UDIMM, provided their exact workstation configuration supports ECC UDIMM memory.
- Small-office server operators replacing or adding a single 8GB ECC module in a system designed for unbuffered ECC memory, after checking the server’s DIMM population and compatibility rules.
- Home-lab builders using an ECC-UDIMM-compatible workstation or server who want a modest 8GB DDR4-2666 memory addition rather than a high-capacity module.
Real-World Use Scenarios
- When a compatible Lenovo ThinkSystem SR250 or ST250 needs a failed 8GB memory module replaced, this ECC UDIMM can restore that memory capacity; confirm the system supports the module and its configuration before installing it.
- For a compatible server running basic always-on services such as file sharing or backups, adding this module can provide more memory headroom; the benefit depends on the system’s existing RAM and workload.
- In a small home-lab server, adding 8GB may give the host and a lightweight virtual machine more room to share memory, but it does not guarantee smooth operation if the combined workload needs more RAM.
- For a server or workstation where memory-error correction is a priority, this ECC module can support that goal when the CPU and motherboard enable ECC; it does not protect against errors elsewhere in the system.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Server and workstation memory upgrades requiring an 8GB ECC unbuffered DDR4 module |
| Capacity | 8GB |
| Memory Type And Configuration | DDR4 UDIMM, 1Rx8 |
| Speed And Latency | 2666 MT/s (PC4-21300), CL19 |
| Error Correction | ECC |
| Voltage | 1.20V |
| Brand And Chipset | A-Tech module with major-brand chipset and chips |














