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787840-B21 — Storage Datasheet

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HPE · DRIVE SFF
WHAT YOU NEED TO KNOW
SAS backplane accepts SATA drives (not vice versa) Buy with tray when possible — saves cost vs separate tray
ALWAYS ASK: "Does it come with tray/caddy?"
PRODUCT OVERVIEW

HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller. Key specifications include Generation: 12th Gen. The unit ships in a SFF form factor suitable for standard rack-mount installations.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SFF BAY→ 787840-B21
SPECIFICATIONS
Generation12th Gen
COMPONENT DIAGRAM
LATCH 2GB SAS — 787840-B21 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 2GB SAS — 787840-B21 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 2GB | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 787840-B21 CAP 2GB SAS
KEY FEATURES
•
SFF Form Factor
•
2GB Capacity
TYPICAL APPLICATIONS
  • Data center top-of-rack switching
  • High-speed server interconnects (10G/25G/40G/100G)
  • Storage network fabric (iSCSI, FCoE)
  • Campus and branch network infrastructure
  • Firewall and security appliance connectivity
  • WAN edge and SD-WAN deployments
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
749796-001Compatible
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller
compatible
726736-B21Compatible
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller
compatible
726738-001Compatible
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller
compatible
749974-B21Compatible
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller FIO
compatible
775413-001Compatible
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 5
726736-B21SUBSTITUTE
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller for DL380x G9
HPE
726738-001SUBSTITUTE
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller for DL380x G9
HPE
749796-001SUBSTITUTE
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller for DL380x G9
HPE
749974-B21SUBSTITUTE
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller for DL380x G9
HPE
775413-001SUBSTITUTE
HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller for DL380x G9
HPE
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FREQUENTLY ASKED QUESTIONS
What is 787840-B21?
787840-B21 is a HP Smart Array P440ar/2Gb FBWC 12G 2-Port Int (SFF-8087) PCI-E 3.0x8 Mezzanine SAS Controller manufactured by HPE.
What parts can replace 787840-B21?
There are 5 known substitutes for 787840-B21: 749796-001, 726736-B21, 726738-001 and 2 more. Substitute compatibility should be verified for your specific system.
Is 787840-B21 still available?
787840-B21 is currently Unknown.
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PartsTable Design LLC · partstable.com
Last verified: September 2026