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| Part Number: | P43322-B21 |
|---|---|
| Manufacturer: | HPE |
| Servers Spare Parts: | Server Memory Kit |
| Model: | Gen11 Servers |
| Description: | Buy HPE P43322-B21 PC5-38400 DDR5 ECC Memory. Genuine part with fast worldwide shipping from Euroland IT Store UK. |
| Availability: | In Stock |
HPE P43322-B21 is a 16GB DDR5 registered module rated PC5-38400, which is the same as DDR5-4800. HPE’s full name for it is the 16GB Single Rank x8 DDR5-4800 CAS-40-39-39 EC8 Registered Smart Memory Kit, and it is the smallest capacity in HPE’s DDR5-4800 range for Gen11 servers.
It belongs to the P43xxx group of kits that HPE lists for Intel based Gen11 servers using 4th Generation Intel Xeon Scalable processors, such as the ProLiant DL360 Gen11 and DL380 Gen11. Sixteen gigabytes per slot suits builds that need to populate all eight memory channels per processor for bandwidth, without buying more capacity than the workload needs.
You can choose New or Refurbished stock for P43322-B21, subject to availability. Select a condition on this page to see its price and details.
DDR5 is not backwards compatible with DDR4. The notch sits in a different place, so a P43322-B21 module will not physically fit a Gen10 or Gen10 Plus server, and DDR4 modules will not fit a Gen11 system. DDR5 RDIMMs also run at 1.1V rather than 1.2V and split each module into two independent sub-channels.
The EC8 tag in HPE’s description refers to the error correction scheme on the module, with 8 ECC bits for each of the two DDR5 sub-channels. HPE uses EC8 across its Gen11 RDIMM range, so the more useful detail for matching is the chip organisation: this kit is x8, while larger kits such as the 64GB P43331-B21 are x4. On the DL380 Gen11, HPE does not allow x4 and x8 modules to be mixed, so keep each server to one type.
HPE’s DDR5 Smart Memory QuickSpecs list the P43xxx-B21 kits under registered memory for Intel based servers and a separate P50xxx-B21 series under AMD based servers. The 16GB AMD equivalent is P50309-B21. Both are DDR5-4800, but HPE qualifies them for different platforms, so order the series that matches your processor.
On the DL380 Gen11, HPE rates P43322-B21 at 4800 MT/s with one DIMM per channel and 4400 MT/s with two. HPE also notes that DDR5-4800 kits are supported only with 4th Generation Xeon Scalable processors and that some processor models cap memory at 4400 or 4000 MT/s. Servers fitted with 5th Gen Xeon processors use HPE’s newer DDR5-5600 kits instead.
New modules are unused stock. The condition and the warranty that applies appear when you choose New.
Refurbished modules are previously used and sold at a lower price. The condition and warranty for this option appear when you choose Refurbished.
| Specification | Details |
|---|---|
| Option kit number | P43322-B21 |
| Spare part number | P48499-001 (SPS-DIMM 16GB PC5-4800B-R 2Gx8) |
| Assembly number | P43324-0A1 |
| Capacity | 16GB (1 x 16GB) |
| Memory type | DDR5 registered DIMM (RDIMM), HPE Smart Memory |
| Speed | DDR5-4800, PC5-38400 |
| Rank and organisation | Single rank, x8 (EC8) |
| CAS timings | 40-39-39 |
| Voltage | 1.1V |
| DL380 Gen11 speed | 4800 MT/s at 1 DIMM per channel, 4400 MT/s at 2 |
| Form factor | 288-pin DIMM |
| Condition options | New or Refurbished, subject to stock |
HPE lists P43322-B21 for the DL380 Gen11, and parts specialists list it for these Intel Gen11 systems with 4th Gen Xeon Scalable processors:
AMD based Gen11 models such as the DL385 Gen11 use HPE’s P50xxx-B21 kits. Ask us if you are unsure which applies to your server.
Euroland IT Store supplies HPE Gen11 memory to companies across the UK, and delivery options are listed at checkout. If you would like us to confirm the right kit, contact us with your server model, serial number, processor and the label details from the memory already fitted.
No. P43322-B21 is DDR5 and Gen10 Plus servers use DDR4. The two memory types have different notches and cannot be swapped.
HPE lists the P43xxx-B21 kits for Intel based Gen11 servers. AMD based Gen11 servers use the P50xxx-B21 series, where the 16GB equivalent is P50309-B21.
HPE rates it at 4800 MT/s with one DIMM per channel and 4400 MT/s with two, subject to the memory speed limit of the processor.
Pick New or Refurbished on this page and the warranty and condition for that option are shown.
Yes, we ship to addresses across the UK. Options are shown at checkout.
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