This item, P80577-B21, is the HPE option part number for the product described as 26TB SAS 12G Business Critical 7.2K LFF LP Helium 512e ISE Multi Vendor HDD. Further details below.
The HPE 26TB SAS 12G Business Critical 7.2K LFF LP Helium 512e ISE Multi Vendor HDD (P80577-B21) is HPE's largest Business Critical 7.2K rpm hard drive, a helium-sealed 26TB SAS drive on the Low Profile (LP) carrier for LFF (3.5-inch) bays. HPE rates it at up to 278 MiB/s sustained sequential throughput over a 12Gb/sec SAS link, with 117 IOPS on 128 KiB random reads and 197 IOPS on a 50/50 random mix.
It uses 512e sector emulation and Instant Secure Erase (ISE), draws 5.9 W idle and 9.6 W on random reads and writes, and is rated for 50° to 95° F (10° to 35°C) operation. HPE's server QuickSpecs list it for the 13 ProLiant models in the Compatible With section below, across Gen11 and Gen12. Every part ships tested or factory sealed and is backed by a 1-year replacement warranty.
HPE Option Part #: P80577-B21
HPE Spare Part #: P80647-001
PRODUCT SPECIFICATIONS FOR P80577-B21:
- Product Number: P80577-B21
- Capacity: 26TB
- Interface: SAS
- Data Transfer Rate: 12Gb/sec
- Drive form factor: LFF (3.5")
- Carrier type: Low Profile (LP)
- Rotational Speed: 7200 rpm
- Performance level: Business Critical
- Sector format: 512e
- Features: Helium-sealed, Instant Secure Erase (ISE), Multi Vendor
- Plug type: Hot pluggable
- Bytes per sector: 512
- Max sustained sequential throughput (MiB/s): 278
- 128KiB random read (IOPS): 117
- 128KiB random 70% read / 30% write (IOPS): 152
- 128KiB random 50% read / 50% write (IOPS): 197
- Power idle (Watts): 5.9
- Power random read/write (Watts): 9.6
- Power sequential read / write (Watts): 8.0 / 7.9
- Operating temperature: 50° to 95° F (10° to 35°C)
- Dimensions: 1.028 in (26.1 mm) x 4.15 in (105.5 mm) x 6.16 in (156.58 mm) (H x W x D)
- Weight: 2.50 lb
- Warranty: Midline hard drives have a 1 year limited warranty regardless of the warranty period for the system in which they are installed.
COMPATIBLE WITH:
PROLIANT DL SERIES
PROLIANT ML SERIES
** This list may not be complete. Check HPE's QuickSpecs for your server to verify compatibility.
FREQUENTLY ASKED QUESTIONS FOR P80577-B21:
- Which HPE ProLiant servers list P80577-B21?
HPE's server QuickSpecs list P80577-B21 for 13 ProLiant models across Gen11 and Gen12, including the DL320 Gen11, DL320 Gen12, DL325 Gen12, DL340 Gen12. The full list is in the Compatible With section of this page. - How fast is P80577-B21?
Per HPE Hard Disk Drives QuickSpecs (a00001287enw, version 40, 17-August-2026), P80577-B21 sustains up to 278 MiB/s sequential throughput on its outer tracks at 7,200 rpm, over a 12Gb/sec SAS interface. - What carrier and bay does P80577-B21 fit?
P80577-B21 ships on the HPE Low Profile (LP) carrier for LFF (3.5-inch) hot-plug bays; it measures 1.028 in (26.1 mm) high, 4.15 in (105.5 mm) wide and 6.16 in (156.58 mm) deep.
Last Updated: 2026-10-19
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- Form Factor/Carrier Type
- LFF / Low Profile Carrier (LP)
This product is warrantied against hardware failure for a period of 1 Year from the date of purchase. Before making a purchase, please take a moment to review our return policy below.
Returns
It is the customer's responsibility to verify compatibility with their machine(s) before placing an order. If an item is ordered by mistake, it can be returned for refund, minus a 25% restocking fee, within 5 business days of receipt. The cost of freight is not refundable.
Please be aware that factory-sealed equipment can only be returned if it remains unopened.
Defective Products
If you have received a defective part and your machine is still within the HPE warranty period, please initiate a warranty exchange by visiting the HPE Enterprise Support Center. Be sure to have the serial numbers of the defective drive and your server/storage array handy.
In case your hardware becomes defective during the Global One warranty period, but the HPE warranty has expired, you can return the product to us for a working replacement. You are responsible for the shipment of returned merchandise. However, we will cover the expense of Ground /Economy shipment for the replacement item(s).
Requesting an RMA
To initiate a return or warranty claim, please complete and submit the RMA Request Form.
