This item, 650931-B21, is the HPE option part number for the product described as H221 Host Bus Adapter. Further details below.
This Host Bus Adapter (HBA) provides high-performance SAS and SATA connectivity for your HP ProLiant server. Supporting Data Transfer Rates of up to 6Gbps per port, this item ensures fast and reliable communication with external storage devices. The dual external mini-SAS connectors (SFF-8088) offer flexible connectivity options.
With a PCIe 2.0 x8 interface, this adapter delivers a 24Gb/s port transfer rate and supports a maximum capacity of 384TB. Compatible servers include but are not limited to the DL560 Gen8, DL385p Gen8, DL160 Gen8, DL320e Gen8, ML310e Gen8, and SL4545 G7 models. Upgrade your server's storage capabilities with this efficient and powerful HBA.
HPE Option Part #: 650931-B21
HPE Spare Part #: 660087-001
PRODUCT SPECIFICATIONS FOR 650931-B21:
- Disk and Enclosure Protocol: 6Gbps SAS / 6Gbps SATA
- SAS Connectors: 2x4 external SFF-8088 (Mini-SAS)
- Data Transfer Method: 600MB/s bandwidth per port
- PCIe Bus Speed: PCIe 2.0 x8 (5GT/s max)
- Port Transfer Rate: 24Gb/s per x 4 Wide (4 x 6G)
- Maximum Capacity: 384TB SAS/SATA
- Memory Addressing: 64-bit Server memory > 4GB
- Upgradeable Firmware: 4-MB flashable ROM
- Weight: 1 pounds
- Dimensions: 6.6 x 0.6 x 2.7 inches
RESOURCES FOR 650931-B21

COMPATIBLE WITH:
PROLIANT DL SERIES
PROLIANT ML SERIES
PROLIANT SL SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR 650931-B21
Spare PN | Description | |
---|---|---|
660087-001 | H221 SAS host bus adapter PC board, PCIe 2.0 low profile - Has two external x4 mini-SAS connectors, 6Gb/sec transfer rate, up to 288TB SAS or 192TB SATA capacity |
Last updated: 5/2/2025
- Trusted by thousands. Over 36,000 customers in 100+ countries trust Global One Technology to deliver mission-critical HP Enterprise hardware - including Fortune 500 businesses, schools, hospitals, and federal, state, and local goverment agencies.
- HPE is our specialty! We only sell genuine HP Enterprise parts.
- EASY ordering process. Purchase online now with credit card or PayPal!
- FAST shipping. Global One Technology ships orders received by 5pm the same day and offers NEXT DAY delivery to US customers.
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.