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| Part Number: | P43328-B21 |
|---|---|
| Manufacturer: | HPE |
| Servers Spare Parts: | Server Memory Kit |
| Model: | DL380 Gen11, ML350 Gen11, ProLiant DL320 Gen11 |
| Description: | Buy HPE P43328-B21 32GB DDR5-4800 Server Memory Kit. Genuine part with fast worldwide shipping from Euroland IT Store UK. |
| Availability: | In Stock |
For many Intel based HPE Gen11 servers, 32GB per slot is the everyday building block, and P43328-B21 is the HPE option kit that provides it. It is a 32GB DDR5-4800 registered DIMM, built as a dual rank x8 module with CAS 40-39-39 timings and EC8 error correction.
The kit was qualified for Gen11 ProLiant and Synergy systems running 4th Generation Intel Xeon Scalable processors. In this product listing we cover the option kit itself; the same module is also known by its spare number P48501-001 and its assembly number P43330-0A1.
New and Refurbished versions of P43328-B21 are available, subject to stock. Choose the condition that suits you to see the price and details.
HPE’s DDR5-4800 range for Intel Gen11 servers runs from 16GB to 256GB. The 16GB P43322-B21 is single rank x8, this 32GB kit is dual rank x8, and the 64GB P43331-B21 moves to dual rank x4. The 128GB and 256GB kits are 3DS modules.
Two rules from the DL380 Gen11 QuickSpecs matter when choosing between them. HPE does not allow x4 and x8 modules to be mixed, and 3DS and non-3DS memory cannot be combined. If your server already uses x8 based modules, staying with this kit or the 16GB option keeps you within those rules.
Capacity planning is straightforward. A DL380 Gen11 has 16 DIMM slots per processor, 32 in a two processor server, with 8 channels per processor. Thirty two of these kits give 1TB of memory, although HPE notes that 32 DIMMs are supported only in 8SFF and 16SFF chassis, and 24SFF builds are limited to 16 DIMMs.
HPE rates P43328-B21 at 4800 MT/s with one DIMM per channel and 4400 MT/s with two DIMMs per channel on the DL380 Gen11. Some 4th Gen Xeon models run memory at 4400 or 4000 MT/s regardless, so the processor sets the ceiling.
The P43xxx-B21 kits are listed by HPE for Intel based servers. AMD based Gen11 servers use a parallel P50xxx-B21 series, where P50311-B21 is the 32GB dual rank x8 counterpart. Gen11 systems with 5th Gen Xeon processors are paired with HPE’s DDR5-5600 kits.
The Smart Memory name is HPE’s label for DIMMs that have passed its own qualification and testing for ProLiant servers. HPE states in its DDR5 Smart Memory QuickSpecs that availability for a given server depends on certification testing, which is why the same 32GB DDR5 capacity can carry different part numbers for different platforms.
New kits are unused. Choosing New displays the condition and the warranty that applies.
Refurbished kits are pre-owned and priced below new. Choosing Refurbished displays the condition and warranty for that option.
| Specification | Details |
|---|---|
| Option kit number | P43328-B21 |
| Spare part number | P48501-001 (SPS-DIMM 32GB PC5-4800B-R 2Gx8) |
| Assembly number | P43330-0A1 |
| AMD platform counterpart | P50311-B21 |
| Capacity | 32GB (1 x 32GB) |
| Type | DDR5 registered DIMM, HPE Smart Memory |
| Data rate | DDR5-4800, PC5-38400 |
| Rank | Dual rank, x8 (EC8) |
| CAS timings | 40-39-39 |
| Voltage | 1.1V |
| Speed on DL380 Gen11 | 4800 MT/s at 1 DPC, 4400 MT/s at 2 DPC |
| Pins | 288-pin DIMM |
| Condition options | New or Refurbished, subject to stock |
HPE lists P43328-B21 in the DL380 Gen11 QuickSpecs. Parts specialists also list it for these 4th Gen Xeon based models:
This DDR5 kit does not fit DDR4 based Gen10 or Gen10 Plus servers.
We supply HPE DDR5 memory to UK businesses and resellers, with delivery choices shown at checkout. Contact us with your server model, serial number, processor model and the label details from your existing DIMMs if you would like the kit checked before ordering.
With two processors and all 32 slots filled, P43328-B21 gives 1TB. HPE supports 32 DIMMs only in 8SFF and 16SFF chassis, and 24SFF models are limited to 16 DIMMs.
HPE does not allow x4 and x8 modules to be mixed. P43328-B21 is x8 and P43331-B21 is x4, so they should not be combined in one server.
HPE lists P50311-B21 as the 32GB dual rank x8 DDR5-4800 kit for AMD based servers. P43328-B21 is listed for Intel based servers.
Choose New or Refurbished on this page and the warranty and condition for that choice are displayed.
Yes, we deliver across the UK and show the options at checkout.
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