This item, 610670-003, is the HPE assembly number for the product described as Smart Array P420/1GB FBWC 6Gb 2-ports Int SAS Controller. Further details below.
This HPE Smart Array P420 internal SAS controller delivers enhanced performance and data protection for your server environment. Equipped with a 1GB Flash Backed Write Cache (FBWC) and supporting 6Gb/s SAS technology, this item accelerates application performance and improves overall system responsiveness. It supports RAID levels 0, 1, 10, 5, 50, 6, and 60, offering flexible data redundancy options.
This plug-in card connects via PCI Express 3.0 x8, facilitating rapid data transfer. Compatible servers include but are not limited to the HPE ProLiant DL380p Gen8, DL360e Gen8, DL380e Gen8, DL385p Gen8, DL560 Gen8, DL160 Gen8, DL320e Gen8, ML350p Gen8, ML350e Gen8, ML310e Gen8, ML310e Gen8 v2, SL270s Gen8, and SL250s Gen8. Supporting up to 64 logical drives, this drive provides robust storage management capabilities for demanding workloads.
HPE Option Part #: 631670-B21
HPE Spare Part #: 633538-001
HPE Assembly Part #: 610670-003
PRODUCT SPECIFICATIONS FOR 610670-003:
- Host Interface: PCI Express 3.0 x8
- Controller Type: 6Gb/s SAS
- RAID Supported: Yes
- RAID Levels 0, 1, 10, 5, 50, 6, 60
- Data Backup Type: Flash Backed Cache
- Total Number of SAS Ports: 2
- Number of SAS Ports (Internal): 2
- Form Factor: Plug-in Card
- Platform Supported: PC
- Number of Logical Drive Supported: 64
- RAM: 1024 MB DDR3
- Memory Speed: 1333 MHz
- Weight: 1 pounds
- Product Dimensions: 9 x 8 x 2 inches
RESOURCES FOR 610670-003 (631670-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 610670-003 (631670-B21)
Last updated: 5/2/2025
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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.