The Schoondoggy Gen8 Drive Mount for the HP ProLiant Gen8 MicroServer First Look

By: John Stutsman


Not long ago, Schoondoggy asked a few of us to beta test preproduction versions of his drive mount bracket for the HP ProLiant Gen8 MicroServer. Except for the placement of the holes to attach the Schoondoggy Gen8 Drive Mount (“SGDM”) to the PSU – which was easily fixed with my Dremel – the SGDM is perfect in design simplicity coupled with high flexibility. With the SGDM I could mount two 2.5” drives (like VelociRaptors or the 2.5” WD Red’s), or 2.5” SSD’s, or a single thin 3.5” drive – all the while still leaving the ODD bay open for the Optical Disk Drive or one or two SSD’s! I can disconnect the drive cage SAS cable and attach a SFF-8087 to the system board giving me two SATA III ports (SATA cables 1 & 2 off the SFF-8087) and two SATA II ports (SATA cables 3 & 4 off the SFF-8087) all controlled by the HP Dynamic Smart Array B120i RAID Controller. The now free HP SAS cable to the drive cage could be attached to an add-in card (such as an HP P222) providing functionality for four 3.5” drives in the drive cage.

The HP ProLiant Gen8 MicroServer is a fun machine to work with — but the SGDM takes it to a whole new level! Thanks Schoondoggy!  In my opinion, if you have a Gen8 MicroServer — you are going to want a Schoondoggy Gen8 Drive Mount.



In early August, 2013, Schoondoggy announced in the HSS Forums that he had a prototype of a drive mounting bracket to enable him to mount two additional 2.5” drives in the recently introduced HP ProLiant Gen8 MicroServer. Many on the Forums were encouraged by Schoondoggy’s efforts to refine his design and bring his bracket to production. His idea would enable the option of two drives within the Gen8 case in addition to the main 4 drive bay and the ODD.



Figure 1 — Schoondoggy’s Prototype Drive Bracket for Gen8 MicroServer from HSS Forums


At the Home Server Show Meetup 2013 Schoondoggy displayed his HP ProLiant Gen8 MicroServer prototype drive mounting bracket and I was amazed to see how he had fit the additional drives in the available space and came up with a cooling solution. This was one of the highlights of the Meetup for me and I took several pictures of Schoondoggy’s display which are included in the MeetUp 2013 Wrap Up Photos section.



Figure 2 — Schoondoggy’s Gen8 MicroServer Prototype Drive Bracket at MeetUp 2013


Beta Test Preproduction Copy – Schoondoggy Gen8 Drive Mount

Recently, Schoondoggy sent me a Best Test Copy of what I’ve decided to call in this write-up the Schoondoggy Gen8 Drive Mount (“SGDM”). I will now address my unboxing, installation, and testing of the SGDM.



Figure 3 — The SGDM Unboxed and displayed next to HP ProLiant Gen8 MicroServer


The SGDM unboxing is recorded in the following video:



Figure 4 — The Two Arrows show the Location to use the 2 Longer, Supplied, Screws to Attach the SGDM to the Gen8 MicroServer PSU



Figure 5 — SGDM Attached to Gen8 MicroServer without Drives



Figure 6 — Location of Mounting Holes for 2.5″ Drives/SSDs



Figure 7 — Location of Mounting Holes for Thin 3.5″ Drive



Figure 8 — Additional Parts Needed: 8 Drive/SSD screws & 8 Neoprene washers


Additional Parts Needed:

  • 8 — 2.5” Drive/SSD Mounting Screws (if mounting a 3.5” drive only 2 screws are necessary)
  • 8 – Insulated (Rubber or Neoprene) washers – I used 3/8” OD w 5/32” ID



Figure 9 — Back of SGDM with 8 Drive Mount Holes Counter Sunk



Figure 10 — Bit used to Counter Sink Drive Mount Holes — work slowly and carefully and check often if hole is counter sunk enough


Mounting 2.5” VelociRaptors (without Ice-Pack) to the SGDM and attaching the SGDM to the MicroServer

Mounting Two 2.5” VelociRaptors is shown in the following video:




Figure 11 — Note the Air Gap Created by using the Insulated Washers between the SGDM and the 2.5” drive (VelociRaptor in this case) — Air Flow from the Blower in this Air Gap will help cool the VelociRaptor (Note that the screw holes to mount the drives to the SGDM have not been counter sunk yet in this photo)



Figure 12 — 2.5″ VelociRaptors attached to SGDM and screws have been counter sunk



Figure 13 — The only Modification that was necessary on the SGDM was to use a Dremel to grind out the PSU Attachment holes towards the end of the tab to line up with the PSU mounting bracket holes — future production units will have this corrected


Mounting 2.5” SSD’s to the SGDM

Mounting Two 2.5” SSD’s is shown in the following video:


Mounting 3.5” Thin Hard Drive to the SGDM

One 3.5” Thin Hard Drive can be mounted to the SGDM as shown in the following video:


Power & Data Connection for Schoondoggy Gen8 Drive Mount (“SGDM”)

Parts Used:



Figure 14 — Parts for Connecting Power to Drives on SGDM




1. Review the material on page 46 of the HP ProLiant MicroServer Gen8 Server Maintenance and Service Guide.


Figure 15 — Page 46 of the HP ProLiant MicroServer Gen8 Server Maintenance and Service Guide


2. Disconnect the 4 pin Molex connector from the PSU to the power cable underneath the ODD area frame.


Figure 16 — the 4 pin Molex connector underneath the ODD area frame has been disconnected in this picture


3. Between the now open connections attach a 4 pin Molex Y connector – Attach terminals A and B shown in Figure 14 above.


Figure 17 — See Figure 14 above and attach terminal A and B


4. On the extra free 4 pin Molex connection attach a 4 pin Molex to Molex pass through connection with a 2 wire Fan auxiliary connector.


Figure 18 — See also Figure 14 above on how this connected


5. On the free 4 pin Molex connection attach a 4 pin Molex Y to 2 SATA Power connectors


Figure 19 — See also Figure 14 above on how this is connected


6. Attach the SATA Power connectors to the drives attached to the SGDM


Figure 20 — In Figure 14 above the SATA Power Connectors are labeled Terminals C & D


7. Remove the Fan auxiliary connector (on 4 above) and attach 2 quick connect on the wires


Figure 21 — in Figure 14 above the fan connector is labeled Terminal E



Figure 22 — These are the connectors I used to attached the fan



Figure 23 — Two connectors have been attached


8. Attach 2 quick connect on the wires on the SGDM blower


Figure 24 — Two Connectors have been attached to the Fan cables


9. Place heavy duty Velcro on the frame to secure the aux blower


Figure 25 — Measuring for length to cut Velcro too — Velcro shown in Figure 14 and Next Figure



Figure 26 — Heavy Duty Velcro used to attach Fan to MicroServer Frame



Figure 27 — Velcro cut to size of Frame Attachment



Figure 28 — Velcro Attached to Frame


10. Attach the Quick Connects from the SGDM blower (see 8 above) to 7 above – be sure to match the wire color codes. Use electrical tape to cover the exposed connections.


Figure 29 — Blower attached to Power via connectors and wrapped with electrical tape


11. Position the SGDM blower. Secure to the Velcro.


Figure 30 — Blower attached and positioned ot optimize around Drives and across side of PSU


12. Disconnect the SAS fan out cable that goes to drive cage from System Board


Figure 31 — HP SAS cable to Drive Cage SATA Ports to be disconnected from System Board


13. Attach SFF-8087 to System Board


Figure 32 — SFF-8087 to be attached to System Board where HP SAS cable had been attached



Figure 33 — SFF-8087 Attached to System Board


14. Attach SATA 1 & 2 from SFF-8087 to Drives on SGDM


Figure 34 — SATA cables 1 & 2 from SFF-8087 attached to Drives on SGDM — Note that these are the two SATA III (6Gbps) Ports from the System Board and are controllable from the HP Dynamic Smart Array B120i RAID Controller


Tidy up the wiring and close the cover.


iLO Stats


Figure 35 — Temperature Graph via iLO with cover off and system up for several days



Figure 36 — Temperature Graph via iLO – same as Figure 35 above except with Cover On.



Figure 37 — iLO information on the two VelociRaptors attached to the SGDM in RAID0 for the OS Drive for Windows Server 2012



Figure 38 — Windows Server 2012 installed with HP Intelligent Provisioning on HP ProLiant Gen8 MicroServer


My System Configuration As-Built:

  • HP ProLiant Gen8 MicroServer Celeron G1610T
  • 16GB RAM – Kingston KVR1333D3E9SK2/16G
  • OS Drive: HP Dynamic Smart Array B120i RAID Controller – Logical RAID0 Drive made with two (2) physical drives VelociRaptor WD1500HLHX
  • OS: Windows Server 2012 Standard
  • Beta: Schoondoggy Gen8 Drive Mount (plus parts listed above to provide power and data to drives on the SGDM)



Figure 39 — Loading Windows Server 2012 using Intelligent Provisioning


Overall, I’m very pleased with the performance of the HP ProLiant Gen8 MicroServer with the Schoondoggy Gen8 Drive Mount. I am planning many more tests in the future using the SGDM in my Gen8 MicroServer.



Join us in the HSS Forums with any questions and/or comments on the above and other threads.



HP MS G8 2.5” drive bracket prototype

Meetup 2013 & Meetup 2013 Wrap UP

MicroServer Blog Postings

HP ProLiant MicroServer Gen8 Links

Useful MicroServer Links & References

MicroServer Hardware Links



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1 Response

  1. digrouz says:


    I'm wondering if it is possible to use this braket to mount a *not slim* 3.5 Drive? Do you know if it will fit?