HPE ProLiant ML110 Gen11 Drives

The HPE ProLiant ML110 Gen11 takes 2.5-inch SFF BC drives or 3.5-inch LFF LP hard drives and LFF LPC SSDs in its hot-plug drive cages, and M.2 SATA or NVMe SSDs in two onboard slots. The drive cages are SAS/SATA cages; HPE lists no NVMe drive for them. On the embedded Intel VROC SATA controller the bays take SATA drives only, and SAS drives need an additional storage controller. The 4LFF NHP model has non-hot-plug SATA drive cages.

  • Up to 16 SFF drives: two 8SFF cages
  • Up to 8 LFF drives: two 4LFF cages
  • SAS 24G and 12G, SATA 6G; NVMe on M.2 only
  • Two onboard M.2 slots: SATA or NVMe, not mixed
  • NS204i-u boot device: two M.2 NVMe SSDs in RAID 1

Bays, carriers and counts on this page are from HPE's QuickSpecs for the ML110 Gen11, document a00054055enw, Version 32 (February 2, 2026).

Which drives fit the ML110 Gen11

The drive cage decides the drive's size and whether it is hot-plug; the controller decides SAS or SATA. HPE's maximum counts:

BaysDrive carrierInterfacesMost drives
2.5-inch SFF8SFF cages: SFF CTO server, or one 8SFF cage in the LFF CTO serverSFF BCSAS 24G and 12G and SATA 6G on a tri-mode controller; SATA only on the embedded controllerThe embedded Intel VROC SATA controller supports up to 8 SFF drives16: two 8SFF cages (8+8)
3.5-inch LFF, hot-plug4LFF cages: LFF CTO serverLFF LP; SSDs: LFF LPCSAS 12G and SATA 6G on a tri-mode controller; SATA only on the embedded controller8: two 4LFF cages (4+4)Or one 4LFF and one 8SFF cage in the LFF chassis
3.5-inch LFF, non-hot-plug4LFF NHP CTO serverLFF RWHPE's other tower QuickSpecs list these as NHP/Raw drivesSATA8: two 4LFF NHP cages (4+4)Other cage types cannot be mixed in
M.2Two slots on the system boardOnboard slotSATA 6G or NVMe Gen4, not mixed2
BootHPE NS204i-uTwo M.2 NVMe SSDs in RAID 12 M.2 SSDsNot supported on the NHP CTO server
OpticalOptical drive baySATA DVD-ROM or DVD-RW; USB DVD-RW1

SFF or LFF? How to tell

  1. Count the bays in each drive cage. Eight small 2.5-inch bays is an 8SFF cage; four large 3.5-inch bays is a 4LFF cage. The server holds up to two cages.
  2. Match the product number. P51518-B21 is the SFF CTO server, P51517-B21 the LFF CTO server and P51516-B21 the LFF NHP CTO server with non-hot-plug cages. The pre-configured P55536-291, P55537-291 and P70278-291 are 8SFF models.
  3. Check for a storage controller. HPE lists the MR216i, MR408i and MR416i as tri-mode controllers; they run SAS and SATA drives in the cages. With none, the embedded Intel VROC SATA controller runs SATA drives only.
  • P51518-B21SFF CTO, 8SFF
  • P51517-B21LFF CTO, 4LFF
  • P51516-B21LFF NHP CTO, 4LFF NHP
  • P55536-2918SFF, VROC
  • P55537-2918SFF, VROC
  • P55537-AA18SFF, VROC
  • P70278-2918SFF, MR408i-o

Three rules before you order

Match the carrier, not only the size

HPE lists only SFF BC drives for the ML110 Gen11's SFF bays; the ML110 Gen10 QuickSpecs lists SFF SC drives. Hot-plug LFF bays take LFF LP hard drives, and HPE lists the LFF SSDs as LFF LPC.

The controller sets SAS or SATA

The drive cages are SAS/SATA cages. The embedded Intel VROC SATA controller supports SATA drives only; SAS drives need an additional storage controller, such as the MR216i, MR408i or MR416i. When the NS204i-u is fitted, the embedded controller supports no LFF or SFF bay.

Check the fans and the NHP model

HPE requires the Redundant Fan Kit (P49984-B21) for SAS 10K and 15K SFF hard drives, SAS4 SFF SSDs and the NS204i-u. The LFF NHP CTO server cannot mix in other cage types and does not support the NS204i-u.

ML110 Gen11 drives FAQ

What drives fit the HPE ProLiant ML110 Gen11?

2.5-inch SFF BC drives and 3.5-inch LFF LP hard drives or LFF LPC SSDs in SAS or SATA, plus M.2 SATA or NVMe SSDs in the two onboard slots. The LFF NHP model has non-hot-plug SATA cages. SAS drives need a storage controller; the embedded Intel VROC SATA controller runs SATA only.

Do drives from an ML110 Gen10 fit the ML110 Gen11?

Check the carrier. The ML110 Gen10 QuickSpecs lists SFF SC drives, while the ML110 Gen11 QuickSpecs lists only SFF BC drives for its SFF bays, for example P40430-B21.

Does the ML110 Gen11 support NVMe drives?

Only as M.2. The drive cages are SAS/SATA cages, and the NVMe drives HPE lists are M.2 SSDs for the two onboard slots and the NS204i-u boot device. HPE notes that Intel VROC NVMe is not supported with the M.2 NVMe SSDs it lists.

How many drives does the ML110 Gen11 hold?

Up to 16 SFF drives in two 8SFF cages, or up to 8 LFF drives in two 4LFF cages, by HPE's count. The LFF chassis can mix SFF and LFF cages, up to two cages. Two M.2 SSDs fit the onboard slots.

Can I run SATA drives without a RAID controller?

Yes. Every model has embedded Intel VROC SATA software RAID (RAID 0, 1, 5 and 10) for up to 4+4 LFF or 8 SFF drives and two M.2 SATA drives. It runs in UEFI mode only and is off until enabled. With the NS204i-u fitted, the embedded controller supports no LFF or SFF bay.

What boot and optical options does the ML110 Gen11 have?

The HPE NS204i-u (P48183-B21) holds two M.2 NVMe SSDs in RAID 1. It needs the NS204i-u Enablement Kit (P61742-B21) and the Redundant Fan Kit (P49984-B21), and the NHP CTO server does not support it; for lower noise HPE suggests the onboard M.2 drives as boot device. One optical drive fits: a 9.5mm SATA DVD-ROM or DVD-RW, and HPE also lists a USB DVD-RW.

Complete your ML110 Gen11

Drives HPE lists for the ML110 Gen11

From HPE QuickSpecs a00054055enw, Version 32 (February 2, 2026). A part not stocked today is priced on a quote request.

  • 726536-B21 HPE 9.5mm SATA DVD-ROM Optical Drive
  • 726537-B21 HPE 9.5mm SATA DVD-RW Optical Drive
  • 701498-B21 HPE Mobile USB DVD-RW Optical Drive
  • P40430-B21 HPE 300GB SAS 12G Mission Critical 10K SFF BC 3-year Warranty Multi Vendor HDD
  • P53561-B21 HPE 600GB SAS 12G Mission Critical 10K SFF BC 3-year Warranty Multi Vendor HDD
  • P28586-B21 HPE 1.2TB SAS 12G Mission Critical 10K SFF BC 3-year Warranty Multi Vendor HDD
  • P53562-B21 HPE 1.8TB SAS 12G Mission Critical 10K SFF BC 3-year Warranty 512e Multi Vendor HDD
  • P28352-B21 HPE 2.4TB SAS 12G Mission Critical 10K SFF BC 3-year Warranty 512e Multi Vendor HDD
  • P28622-B21 HPE 1.2TB SAS 12G Mission Critical 10K SFF BC 3yr Warranty FIPS 140-2 TAA-compliant HDD
  • P28618-B21 HPE 2.4TB SAS 12G Mission Critical 10K SFF BC 3yr Warranty 512e FIPS 140-2 TAA-compliant HDD
  • 833928-B21 HPE 4TB SAS 12G Business Critical 7.2K LFF LP 1-year Warranty Multi Vendor HDD
  • 834031-B21 HPE 8TB SAS 12G Business Critical 7.2K LFF LP 1-year Warranty 512e Multi Vendor HDD
  • 881781-B21 HPE 12TB SAS 12G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e Multi Vendor HDD
  • P23608-B21 HPE 16TB SAS 12G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e ISE Multi Vendor HDD
  • P53553-B21 HPE 20TB SAS 12G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e ISE Multi Vendor HDD
  • P68583-B21 HPE 24TB SAS 12G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e ISE Multi Vendor HDD
  • P80577-B21 HPE 26TB SAS 12G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e ISE Multi Vendor HDD
  • 861686-B21 HPE 1TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty Multi Vendor HDD
  • 801882-B21 HPE 1TB SATA 6G Business Critical 7.2K LFF RW 1-year Warranty Multi Vendor HDD
  • 861681-B21 HPE 2TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty Multi Vendor HDD
  • 861683-B21 HPE 4TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty Multi Vendor HDD
  • 801888-B21 HPE 4TB SATA 6G Business Critical 7.2K LFF RW 1-year Warranty Multi Vendor HDD
  • 834028-B21 HPE 8TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty 512e Multi Vendor HDD
  • 881787-B21 HPE 12TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e Multi Vendor HDD
  • P23449-B21 HPE 16TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e ISE Multi Vendor HDD
  • P53554-B21 HPE 20TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e ISE Multi Vendor HDD
  • P68585-B21 HPE 24TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e ISE Multi Vendor HDD
  • P80578-B21 HPE 26TB SATA 6G Business Critical 7.2K LFF LP 1-year Warranty Helium 512e ISE Multi Vendor HDD
  • P40506-B21 HPE 960GB SAS 12G Read Intensive SFF BC Value SAS Multi Vendor SSD
  • P40507-B21 HPE 1.92TB SAS 12G Read Intensive SFF BC Value SAS Multi Vendor SSD
  • P40508-B21 HPE 3.84TB SAS 12G Read Intensive SFF BC Value SAS Multi Vendor SSD
  • P40509-B21 HPE 7.68TB SAS 12G Read Intensive SFF BC Value SAS Multi Vendor SSD
  • P49029-B21 HPE 960GB SAS 24G Read Intensive SFF BC Multi Vendor SSD
  • P49031-B21 HPE 1.92TB SAS 24G Read Intensive SFF BC Multi Vendor SSD
  • P49035-B21 HPE 3.84TB SAS 24G Read Intensive SFF BC Multi Vendor SSD
  • P49041-B21 HPE 7.68TB SAS 24G Read Intensive SFF BC Multi Vendor SSD
  • P49045-B21 HPE 15.36TB SAS 24G Read Intensive SFF BC Multi Vendor SSD
  • P40510-B21 HPE 960GB SAS 12G Mixed Use SFF BC Value SAS Multi Vendor SSD
  • P40511-B21 HPE 1.92TB SAS 12G Mixed Use SFF BC Value SAS Multi Vendor SSD
  • P40512-B21 HPE 3.84TB SAS 12G Mixed Use SFF BC Value SAS Multi Vendor SSD
  • P49047-B21 HPE 800GB SAS 24G Mixed Use SFF BC Multi Vendor SSD
  • P49049-B21 HPE 1.6TB SAS 24G Mixed Use SFF BC Multi Vendor SSD
  • P49053-B21 HPE 3.2TB SAS 24G Mixed Use SFF BC Multi Vendor SSD
  • P49057-B21 HPE 6.4TB SAS 24G Mixed Use SFF BC Multi Vendor SSD
  • P63875-B21 HPE 3.84TB SAS Read Intensive SFF BC Self-encrypting FIPS 140-2 PM7 SSD
  • P63879-B21 HPE 7.68TB SAS Read Intensive SFF BC Self-encrypting FIPS 140-2 PM7 SSD
  • P83347-B21 HPE 3.84TB SAS Read Intensive SFF BC Self-encrypting FIPS 140-3 PM7 SSD
  • P63871-B21 HPE 1.6TB SAS Mixed Use SFF BC Self-encrypting FIPS 140-2 PM7 SSD
  • P83344-B21 HPE 1.6TB SAS Mixed Use SFF BC Self-encrypting FIPS 140-3 PM7 SSD
  • P37009-B21 HPE 960GB SAS 12G Mixed Use LFF LPC Value SAS Multi Vendor SSD
  • P40502-B21 HPE 480GB SATA 6G Mixed Use SFF BC Multi Vendor SSD
  • P40503-B21 HPE 960GB SATA 6G Mixed Use SFF BC Multi Vendor SSD
  • P40504-B21 HPE 1.92TB SATA 6G Mixed Use SFF BC Multi Vendor SSD
  • P40505-B21 HPE 3.84TB SATA 6G Mixed Use SFF BC Multi Vendor SSD
  • P40497-B21 HPE 480GB SATA 6G Read Intensive SFF BC Multi Vendor SSD
  • P40498-B21 HPE 960GB SATA 6G Read Intensive SFF BC Multi Vendor SSD
  • P40499-B21 HPE 1.92TB SATA 6G Read Intensive SFF BC Multi Vendor SSD
  • P40500-B21 HPE 3.84TB SATA 6G Read Intensive SFF BC Multi Vendor SSD
  • P40501-B21 HPE 7.68TB SATA 6G Read Intensive SFF BC Multi Vendor SSD
  • P63886-B21 HPE 480GB SATA 6G Read Intensive SFF BC PM893a SSD
  • P63910-B21 HPE 3.84TB SATA 6G Read Intensive SFF BC PM893a SSD
  • P47808-B21 HPE 960GB SATA 6G Read Intensive LFF LPC Multi Vendor SSD
  • P47818-B21 HPE 480GB SATA 6G Read Intensive M.2 Multi Vendor SSD
  • P80318-B21 HPE 480GB NVMe Gen4 Mainstream Performance Read Intensive M.2 2280 PE9010 SSD
  • P80321-B21 HPE 960GB NVMe Gen4 Mainstream Performance Read Intensive M.2 2280 PE9010 SSD
  • P80324-B21 HPE 1.92TB NVMe Gen4 Mainstream Performance Read Intensive M.2 2280 PE9010 SSD
  • P48183-B21 HPE NS204i-u Gen11 NVMe Hot Plug Boot Optimized Storage Device
  • P80327-B21 HPE 960GB NVMe Gen4 Mainstream Performance Read Intensive M.2 2280 Self-encrypting PE9010 SSD
Ships same dayMost orders ship the same business day
1 to 5 year warrantyTested or factory sealed

All HPE ProLiant ML110 Gen11 Drives

Part number Capacity Interface Class Price Quantity and add
P28352-B21 HPE 2.4TB SAS 12G Mission Critical 10K SFF BC 512e Multi Vendor HDD
$1,199.00In stock
P40498-B21 HPE 960GB SATA 6G Read Intensive SFF BC Multi Vendor SSD
$1,229.00In stock
834028-B21 HPE 8TB SATA 6G Midline 7.2K LFF (3.5in) LP 512e Digitally Signed Firmware HDD
$618.00In stock
834031-B21 HPE 8TB SAS 12G Midline 7.2K LFF (3.5in) LP 512e Digitally Signed Firmware HDD
$785.00In stock
861686-B21 HPE 1TB SATA 6G Midline 7.2K LFF (3.5in) LP Digitally Signed Firmware HDD
$175.00In stock
P28586-B21 HPE 1.2TB SAS 12G Mission Critical 10K SFF BC HDD - Refurbished
$495.00In stock
881787-B21 HPE 12TB SATA 6G Midline 7.2K LFF (3.5in) LP Helium 512e Digitally Signed Firmware HDD
$575.00In stock
P48183-B21 HPE NS204i-u Gen11 Hot Plug Boot Optimized Storage Device with 2x NVMe 480GB SSD
$2,459.00In stock
P23608-B21 HPE 16TB SAS 12G Business Critical 7.2K LFF (3.5in) LP 512e ISE HDD
$1,748.00In stock
861683-B21 HPE 4TB SATA 6G Midline 7.2K LFF (3.5in) LP Digitally Signed Firmware HDD
$685.00In stock
P40500-B21 HPE 3.84TB SATA 6G Read Intensive SFF BC Multi Vendor SSD
$3,828.00In stock
P40512-B21 HPE 3.84TB VSAS 12G Mixed Use SFF BC Value SAS Multi Vendor SSD
$4,879.00In stock
833928-B21 HPE 4TB SAS 12G Midline 7.2K LFF (3.5in) LP Digitally Signed Firmware HDD - Refurbished
$238.00In stock
P40497-B21 HPE 480GB SATA 6G Read Intensive SFF BC Multi Vendor SSD
$346.00In stock
P53561-B21 HPE 600GB SAS 12G Mission Critical 10K SFF BC Multi Vendor HDD - Refurbished
$288.00In stock
P40511-B21 HPE 1.92TB VSAS 12G Mixed Use SFF BC Value SAS Multi Vendor SSD
$2,858.00In stock
P47808-B21 HPE 960GB SATA 6G Read Intensive LFF LPC Multi Vendor SSD
$1,688.00In stock
P49057-B21 HPE 6.4TB SAS 24G Mixed Use SFF BC Multi Vendor SSD
$7,286.00In stock
P40505-B21 HPE 3.84TB SATA 6G Mixed Use SFF BC Multi Vendor SSD
$4,155.00In stock
P40510-B21 HPE 960GB VSAS 12G Mixed Use SFF BC Value SAS Multi Vendor SSD
$1,748.00In stock
P40509-B21 HPE 7.68TB VSAS 12G Read Intensive SFF BC Value SAS Multi Vendor SSD
$6,786.00In stock
726536-B21 HPE 9.5mm SATA DVD-ROM Optical Drive
$159.00In stock
P40502-B21 HPE 480GB SATA 6G Mixed Use SFF BC Multi Vendor SSD
$558.00In stock
P49049-B21 HPE 1.6TB SAS 24G Mixed Use SFF BC Multi Vendor SSD
$2,989.00In stock
726537-B21 HPE 9.5mm SATA DVD-RW Optical Drive
$159.00In stock
P23449-B21 HPE 16TB SATA 6G Business Critical 7.2K LFF (3.5in) LP 512e ISE HDD
$1,815.00In stock
P53562-B21 HPE 1.8TB SAS 12G Mission Critical 10K SFF BC 512e Multi Vendor HDD - Refurbished
$495.00In stock
P40504-B21 HPE 1.92TB SATA 6G Mixed Use SFF BC Multi Vendor SSD
$2,748.00In stock
P49053-B21 HPE 3.2TB SAS 24G Mixed Use SFF BC Multi Vendor SSD
$5,985.00In stock
881781-B21 HPE 12TB SAS 12G Midline 7.2K LFF (3.5in) LP Helium 512e Digitally Signed Firmware HDD
$598.00In stock
P28622-B21 HPE 1.2TB SAS 12G Mission Critical 10K SFF BC Self-encrypting FIPS HDD
$685.00In stock
P40503-B21 HPE 960GB SATA 6G Mixed Use SFF BC Multi Vendor SSD
$1,775.00In stock
P40507-B21 HPE 1.92TB VSAS 12G Read Intensive SFF BC Value SAS Multi Vendor SSD
$2,275.00In stock
801888-B21 HPE 4TB SATA 6G Midline 7.2K LFF (3.5in) RW HDD - Refurbished
$365.00In stock
P28618-B21 HPE 2.4TB SAS 12G Mission Critical 10K SFF BC 512e Self-encrypting FIPS HDD
$1,158.00In stock
P40508-B21 HPE 3.84TB VSAS 12G Read Intensive SFF BC Value SAS Multi Vendor SSD - Refurbished
$1,199.00In stock
801882-B21 HPE 1TB SATA 6G Midline 7.2K LFF (3.5in) RW HDD - Refurbished
$205.00In stock
P47818-B21 HPE 480GB SATA 6G Read Intensive M.2 Multi Vendor SSD - Refurbished
$645.00In stock
P40430-B21 HPE 300GB SAS 12G Mission Critical 10K SFF BC HDD
$525.00In stock
P49035-B21 HPE 3.84TB SAS 24G Read Intensive SFF BC Multi Vendor SSD
Price on requestOut of stock
P49047-B21 HPE 800GB SAS 24G Mixed Use SFF BC Multi Vendor SSD
$1,546.00In stock
701498-B21 HPE Mobile USB Non Leaded System DVD RW Drive
$275.00In stock
861681-B21 HPE 2TB SATA 6G Midline 7.2K LFF (3.5in) LP Digitally Signed Firmware HDD
$415.00In stock
P49031-B21 HPE 1.92TB SAS 24G Read Intensive SFF BC Multi Vendor SSD
$2,696.00In stock
P37009-B21 HPE 960GB VSAS 12G Mixed Use LFF LPC Value SAS Multi Vendor SSD
$1,185.00In stock
P40499-B21 HPE 1.92TB SATA 6G Read Intensive SFF BC Multi Vendor SSD
$1,775.00In stock
P40501-B21 HPE 7.68TB SATA 6G Read Intensive SFF BC Multi Vendor SSD
$7,998.00In stock
P40506-B21 HPE 960GB VSAS 12G Read Intensive SFF BC Value SAS Multi Vendor SSD
$1,798.00In stock
P49029-B21 HPE 960GB SAS 24G Read Intensive SFF BC Multi Vendor SSD
$1,396.00In stock
P49041-B21 HPE 7.68TB SAS 24G Read Intensive SFF BC Multi Vendor SSD
$7,286.00In stock
P49045-B21 HPE 15.36TB SAS 24G Read Intensive SFF BC Multi Vendor SSD
$13,515.00In stock
P53553-B21 HPE 20TB SAS 12G Business Critical 7.2K LFF LP Helium 512e ISE Multi Vendor HDD
$1,698.00In stock
P63871-B21 HPE 1.6TB SAS Mixed Use SFF BC FIPS PM7 SSD
Price on requestOut of stock
P63875-B21 HPE 3.84TB SAS Read Intensive SFF BC FIPS PM7 SSD
$4,995.00In stock
P63879-B21 HPE 7.68T SAS Read Intensive SFF BC FIPS PM7 PVT SSD
Price on requestOut of stock
P68583-B21 HPE 24TB SAS 12G Business Critical 7.2K LFF LP Helium 512e ISE Multi Vendor HDD
$2,478.00In stock
P68585-B21 HPE 24TB SATA 6G Business Critical 7.2K LFF LP Helium 512e ISE Multi Vendor HDD
$1,476.00In stock
P80577-B21 HPE 26TB SAS 12G Business Critical 7.2K LFF LP Helium 512e ISE Multi Vendor HDD
Price on requestOut of stock
P80578-B21 HPE 26TB SATA 6G Business Critical 7.2K LFF LP Helium 512e ISE Multi Vendor HDD
Price on requestOut of stock
P83344-B21 HPE 1.6TB SAS Mixed Use SFF BC Self‑encrypting FIPS 140‑3 PM7 SSD
$2,488.00In stock
P53554-B21 HPE 20TB SATA 6G Business Critical 7.2K LFF LP Helium 512e ISE Multi Vendor HDD
$1,238.00In stock

Prices are today's store prices.

Ships same dayMost orders ship the same business day
1 to 5 year warrantyReplacement coverage on every part
5,000+ five-star reviewsShopper Approved, BBB A+ rating
Ships to 120+ countriesBy UPS; duties are collected by the carrier

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