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This Samsung 4GB memory module is genuine Samsung equipment. The part number is M391B5173QH0-CK0. It uses an Unbuffered ECC design, often called UDIMM. This fits a different set of systems than Registered ECC memory. It runs at 1600MHz on the PC3-12800 standard. That is the fastest speed in this Unbuffered family.
This module has ECC support and a single-rank design. ECC catches and corrects memory errors before they crash your system. It carries a CL11 latency rating. Every unit is tested and cleaned before it ships. It performs like new.
Brand: Samsung
Part Number: M391B5173QH0-CK0
Capacity: 4GB
Speed: 1600MHz (PC3-12800)
Memory Type: DDR3 Unbuffered ECC (UDIMM)
CAS Latency: CL11
Rank: Single Rank
Pin Count: 240
Form Factor: Standard Height
Condition: Refurbished, tested, and verified functional
Built for entry-level, single-socket servers and workstations. It does not fit dual-socket rack or blade systems. These need Unbuffered ECC memory. That is different from Registered ECC. Common platforms include single-socket Xeon E3 servers. Workstations such as Dell Precision and HP Z series also qualify. Please check your exact model before ordering.
Fastest 4GB Option: 1600MHz outpaces the 1333MHz and 1066MHz Unbuffered modules elsewhere in this catalog.
Genuine ECC Protection: Catches and corrects memory errors on the fly, keeping your system stable under load.
Entry Server Fit: Built for single-socket Xeon E3 systems and ECC-capable workstations, not just enterprise racks.
Genuine Samsung Chips: Built from original Samsung dies, tested for full function before it ships.
Entry-level server memory upgrades and ECC-capable workstations. File servers and small businesses that need fast, reliable memory.
Product images are meant for illustrative purposes alone, and you may not always see the original image.
Refurbished means a used computer part or device that has been cleaned, checked, and repaired to make sure it works properly again. Unlike regular second-hand items, refurbished products go through testing and fixing so they can perform like new.
All orders are processed within 1-2 business days. Orders placed on weekends or public holidays will be processed on the next business day. For more info visit shipping policy.
Our Return Policy comprises a 30-day warranty for Refurbished products. There will be a restocking fee applied when you return non-defective returns. For further details, kindly take a look at our Return Policy page.
For Brand New items, you will receive them in their original retail box. For Refurbished items, you will receive them in a Brown Box or Bulk Packaging.
Refurbished printers do not come with ink cartridges or toners.
