HP recently announced the industry’s first M.2 SSD for blade servers.  If you’re not familiar with M.2 (pronounced M dot 2), it’s a small form factor card and connector supporting applications such as Wi-Fi, WWAN, USB, PCIe & SATA seen mostly in desktop / laptop systems.  

Adoption of this form factor in Tier 1 vendors is slow coming, which is why this is a big announcement for HP.  Since this plugs into the system board, it avoids traversing the SAS mid-plane and allows for connectivity to the system PCIe bus supporting faster speeds.

Key points to note:-

  • The HP “M.2 Solid State Enablement Kit”  is available in dual and single 64 GB capacity and is compatible with HP ProLiant Gen9 blade servers only.  
  • The HP M.2 SSD is supported by the HP Dynamic Smart Array B140i Controller using software RAID.  
  • Ideally, the HP M.2 SSD would provide a platform for booting the O/S, however if disks are required on the blade server, they will be controlled by a separate HP Smart Array Controller.  

NOTE: There is a 120GB M.2 offering, however it is only for the HP ProLiant DL series.  The BL series blade servers are limited to 64GB.

Performance Details – 64GB M.2 Enablement Kit, Read Intensive Model

384TB Lifetime Writes (.3 Drive Writes per Day for 5 years)
Random Reads: 10,000 IOP/s
Random Writes: 710 IOP/s
Sequential Reads: 330 MiB/s
Sequential Writes: 1.9 MiB/s

NOTE: Performance shown is for a single 64GB M.2 Enablement Kit and will vary for the Dual 64GB M.2 Enablement.

875488-B21 HPE 240GB SATA 6G MIXED USE M.2 2280 Dg SIGNED ssd
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875488-B21 HPE 240GB SATA 6G MIXED USE M.2 2280 Dg SIGNED ssd

HPE 875488-B21 240GB SATA 6G MIXED USE M.2 2280 DIGITALLY SIGNED FIRMWARE SOLID STATE DRIVE Brand: HPE Part #: 875488-B21 875850-001 ... more info

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