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Item#: N82E16811152143

SUPERMICRO SuperChassis CSE-847E26-RJBOD1 Black 4U Rackmount Server Chassis 1400W Redundant

  • 1400W Redundant
  • 45 x (24 front + 21 rear) 3.5" Hot-Swap Drive Bays
  • 7 80mm Fans

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the SuperMicro CSE-847E26-RJBOD1




Chassis Type
Form Factor
Power Supply
1400W Redundant


Hot-Swap Drive Bays
45 x (24 front + 21 rear) 3.5"

Cooling System

80mm Fans


80 PLUS Gold Certified Power Supply

HDD Backplane supports 45 SAS hard drives (24x front + 21 rear)

Dimensions & Weight

Dimensions (H x W x D)
27.5" x 17.2" x 7.0"
80.0 lbs. (Gross)
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the SuperMicro CSE-847E26-RJBOD1

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4 out of 5 eggsThe cheapest mass storage available!

Pros: HUGE amounts of storage in just 4U of JBOD goodness. As-of the date of this review, using the latest 8TB disks, you can cram 360TB -- literally over one-third of a PETABYTE -- into just 4U of rack space. While Supermicro and others make 90-drive JBODs in 4U as well (720TB in 4U!), they're much, much more expensive (>$10k for the chassis). This unit seems to be the sweet-spot on a cost-per-slot basis. 45 bays for $2k, or just over $40 per slot. That's all great, but how well does it work? In a word, it works "well." There are certainly some niggles, negatives and drawbacks (see the "Cons" section) but keep in mind the low cost and solid performance and most of those are easily overlooked. PLEASE read the CONS section, as there is valuable information so you know what you're getting.

Mated with a quality RAID or SAS HBA, performance of the JBOD is roughly in-line with that of any other SAS chassis. Your drives and HBA will be the limiting factors, as the JBOD is about as simple a device as it gets. If you're running a dedicated enterprise software SAN/NAS, like DSS7, OpenFiler, Windows Storage Server, etc you can overcome some limitations that RAID HBA's have. The unit is reasonably well constructed, but think "Kia" instead of an EMC "Mercedes." There is no digital readout, so everything is done in either HBA software or drive / chassis LEDs. The unit comes complete with sliding rails and power cables, along with all necessary trays and screws for mounting 45 drives. All you need to provide is a server / PC, a SAS HBA, and SAS cabling (you'll need TWO SFF-8088 SAS cables) and drives, of course. This is a 6Gb/s unit, but feel free to use any 12Gb/s controller if you wish. Keep in mind, almost everything in SAS today is still 6Gb/s until you get to 6-8TB drives. We do NOT use SATA drives, but SAS-only, so I can't comment on using this chassis with SATA (with is not recommended by Supermicro, but I presume enterprise-class SATA or NAS-rated SATA would likely work. AVOID consumer-grade SATA, as they don't RAID well at all in larger arrays. Drive manufacturers intentionally cripple their entry-level consumer drives in firmware to NOT work well in RAID arrays over four (4) drives. NO 2.5>3.5 inch adapters are included, so if you plan on using SSD or 2.5" drives you'll need to procure adapters separately. Performance is solid, setup is not difficult, though you need to be aware of one potentially serious issue addressed in the CONS section with regard to out-of-box setup. This E26 unit comes with redundant SAS pathways and dual, hot-swappable power supplies and is ready for even demanding enterprise deployments. For the price, nothing comes close.

Cons: Built with cheap-feeling components. Drive trays look and feel very fragile, cheap even. Internal cooling fans are HARD WIRED! No quick-swapping of any internal components / cables / backplanes (PSUs are external hot-swap and tool-less). For some mysterious reason, the internal SAS cables are NOT connected at the factory. We initially believed we had a defective unit, only to discover that we had to open it up and figure out the internal cabling layout ourselves. It wasn't that difficult, but it would've been nice to include a single letter-sized sheet of paper on top that lets their customers know. A cabling diagram would be even better! Fortunately, we're an IT-centric company, but I presume many potential consumers are not and this could be a deal-breaker for them. With the E26 unit, you can have EITHER redundant pathways OR the ability to daisy-chain additional enclosures -- you can't have both. NO extra drive trays are included, so if you want to keep cold spares at-the-ready -- which is an obvious provision, given the number of drives in a single chassis -- you'll need to purchase a few more trays. The proper tray for this particular unit are Model # MCP-220-00075-0B and are available here on the Egg. The unit is, obviously, extremely heavy. It is shipped via FREIGHT only, on a pallet. The entire pallet -- with NO drives installed -- weighs 180 pounds. The boxed unit weighs 130 pounds, and it is very well packaged. Supermicro strongly recommends that you do NOT ship the unit populated with drives, so if you're an integrator / reseller, your customer will have to pop the drives in on-site. The SFF-8088 connectors feel a little loose on the back, so use caution when making connections and be sure there is no stress on the cabling into the 847 chassis. The unit is fairly loud, so using it next to a workstation will be too noisy for most, but it's not a hair dryer and can be tolerated. As with most chassis, when first turned on it sounds like the flight deck on an aircraft carrier. There will be NO stealth boot-ups with this unit. To guarantee uptime, I'd strongly recommend having spare drives on hand and pre-trayed and also have a spare hot-swap power supply. I believe the PSU is Model #: PWS-1K41P-1R, also available here on the Egg. It might not be a bad idea to have a spare fan handy as well, or take some initiative and buy some Noctua fans of the same size to reduce noise and increase reliability (just came to mind) -- remembering that the fans are all hard-wired and mounted with screws into the internal chassis, so you'll have to be off-line and unplugged to change those out. Sadly, since there really is no alternative, air is sucked in over one set of drives, warmed up by those drives, then that warm air is blown out over the other set of drives. I'd recommend NOT using this is a very warm or dusty / dirty room. Maybe hang a piece of gauze or cheesecloth over the intake side to reduce internal dust buildup.

Other Thoughts: All-in-all, this is a strong effort and offering for most deployments. Three of these filled with 8TB disks will push you over the 1PB storage barrier in just 12U of rack space at a chassis price that simply can't be believed. I can highly recommend them with a few caveats, spelled out in the CONS section. Just have ample spare disks, PSU(s), and fan(s) so you can perform your own warranty service and keep your array humming along without skipping a beat.

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Item#: N82E16811152143
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