HPE ProLiant MicroServer Gen8 Memory
Genuine HPE DDR3 memory for the HPE ProLiant MicroServer Gen8, new and refurbished. This platform takes unbuffered ECC DDR3 across just two DIMM slots, with a documented ceiling of 16GB — so the real question is rarely which kit, but whether the slot you were counting on is already full.
MicroServer Gen8 Memory Specifications
- Type: HPE SmartMemory DDR3 unbuffered ECC (UDIMM); the platform is documented for unbuffered modules, and ECC is the memory protection HPE lists for it
- Slots: two, populated 1A first and then 2B
- Maximum: 16GB, using two 8GB PC3-12800E (DDR3-1600) modules
- Modules listed: 2GB single rank x8 and 4GB and 8GB dual rank x8, in PC3-12800E (DDR3-1600) CAS-11 and low-voltage PC3L-10600E (DDR3-1333) CAS-9
- Processor ceiling: the Celeron G1610T and Pentium G2020T support up to 1333MHz memory; the Core i3-3240 and Xeon E3-1220Lv2 support up to 1600MHz
- Voltage and compatibility: HPE notes that PC3L low-voltage modules operate at standard voltage in the MicroServer Gen8, and that memory from previous generation HPE servers is not fully compatible with it
With two slots, an upgrade is usually a replacement. The ceiling is 16GB and it takes both slots to reach it, so a server running two 4GB modules gets to 16GB only by taking both out. Check which slots are occupied before ordering, and buy the pair if the ceiling is where you are heading.
How much memory can two slots hold?
| Configuration | Slot 1A | Slot 2B | Total |
|---|---|---|---|
| Standard | 2GB | Empty | 2GB |
| Standard | 4GB | Empty | 4GB |
| Optional | 2GB | 2GB | 4GB |
| Optional | 4GB | 4GB | 8GB |
| Maximum | 8GB | 8GB | 16GB |
Two slots make this a replacement decision more often than an addition. A server that shipped with one 4GB module has a free slot and can reach 8GB by matching it, but 16GB means both 4GB modules come out and two 8GB modules go in. Buy the pair if the ceiling is where you are heading; buy a single matching module only if 8GB is genuinely enough.
Choosing the Right MicroServer Gen8 Memory
- Every HPE DDR3 option kit here is a single DIMM. A 16GB build is two 8GB kits, not one boxed pair.
- The processor caps the speed before the module does. A Celeron G1610T or Pentium G2020T tops out at 1333MHz whatever is fitted, so PC3-12800E modules in those servers run below their rating.
- Mixing speeds costs you the faster one. HPE notes that 1600MHz and 1333MHz memory may operate at a lower speed depending on the configuration and the processor model, so a mismatched pair is unlikely to hold 1600MHz.
- Low voltage is not a power saving here. HPE states that PC3L modules operate at standard voltage in this server, so choose between PC3 and PC3L on price and availability, not on wattage.
- Memory from an older HPE server is not a substitute. HPE documents that previous generation modules are not fully compatible with the MicroServer Gen8.
Complete Your MicroServer Gen8 Build
Memory speed on this platform is set by the processor that is already fitted, and the rest of the server is short enough to check in one pass. Browse MicroServer Gen8 drives, storage controllers, networking adapters and rack options, or start from the full MicroServer Gen8 parts listing and HPE parts by server model. Background reading: understanding memory rank in HPE servers and what CAS latency means.
MicroServer Gen8 Memory FAQ
What is the maximum memory in a MicroServer Gen8?
16GB, reached with two 8GB PC3-12800E unbuffered ECC modules. The server has only two DIMM slots, so there is no route past that figure.
Does the MicroServer Gen8 need ECC memory?
Yes. HPE lists ECC as the memory protection for this platform and documents the memory type as DDR3 unbuffered ECC SmartMemory, so the modules are UDIMMs with ECC rather than plain desktop memory.
Can I use registered memory in a MicroServer Gen8?
No. The memory type HPE documents for this server is DDR3 unbuffered (UDIMM). Registered modules are not part of its specification.
Which memory slot do I fill first?
Slot 1A. HPE's population table starts with a single module in 1A and slot 2B empty, then adds a matching module in 2B.
Is PC3L low-voltage memory worth choosing here?
Not for the power saving. HPE notes that low-voltage memory operates at standard voltage in the MicroServer Gen8, so PC3L modules behave like standard-voltage parts in this chassis.
Why does my 1600MHz memory run slower than its rating?
The processor sets the ceiling. The Celeron G1610T and Pentium G2020T support up to 1333MHz, so PC3-12800E modules in those servers run below their rating; the Core i3-3240 and Xeon E3-1220Lv2 support up to 1600MHz.
✅ Looking for a specific MicroServer Gen8 memory module? Browse our full selection below.
Browse all models
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