Sans Digital TowerRAID TR8X+B 8 Bay SAS/SATA JBOD Storage Enclosure - Black
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- Eight 3.5-inch SAS or SATA hard drives to SFF-8088 mini-SAS interfaces.
- Accesses eight hard drives using only two cables.
- Supports JBOD, spanning, RAID 0, 1, 1+0, 5, 6 with spare via RAID controller card.
- Supports Areca, LSI, Intel, 3ware, Adaptec, HighPoint SAS RAID or SATA RAID controller cards.
- Cable-less backplane design supporting hot-swappable SATA I, SATA II and SAS hard drives.
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The TowerRAID TR8X+B is an 8-bay tower with two mini-SAS connections, for high transfer rates of up to 750MB/s when used with a high performance RAID controller card. Utilizing high bandwidth mini-SAS (SFF-8088) cabling, the TR8X+B supports 3Gb/s SAS or SATA hard drives to deliver superior read / write speeds that are crucial in performance-driven environments such as video editing industry and server application. The mini-SAS ports combine eight hard drives connections into two, reducing possible points of failures, while preserving uninterrupted data transfer. The TR8X+B also supports SATA drives, allowing users the option to choose between high performance and high capacity storage solutions. Hard drive and RAID controller bundles options are available. When utilizing a SAS or SATA RAID controller, the unit could effortlessly support multi-streaming of compressed high-quality playback or a single-stream of uncompressed 10-bit high definition video under various RAID modes.• Eight 3.5-inch SAS or SATA hard drives to SFF-8088 mini-SAS interfaces.• Accesses eight hard drives using only two cables.• Supports JBOD, spanning, RAID 0, 1, 1+0, 5, 6 with spare via RAID controller card.• Supports Areca, LSI, Intel, 3ware, Adaptec, HighPoint SAS RAID or SATA RAID controller cards.• Cable-less backplane design supporting hot-swappable SATA I, SATA II and SAS hard drives.• Supports plug & play for easy installation.• Compact enclosure with dust-free cover.• 300 watts power supply (90V to 264V). • Supports PC, MAC and Linux. (Please check HBA or RAID controller driver compatibility.)
Hard Drive Trays (8)
Power Cord (1)
Mini-SAS to Mini-SAS Cable (2)
Screws (1 set)
Quick Installation Manual & CD (1)
Top customer reviews
The installation of drives could be easier with screw-less lock mechanisms, instead, you have to screw each drive in the tray, which then slides in the bracket. The unit also has a cooling issue - if the unit door is closed, the bottom most drive trays suffer from heat issues which often can result in read/write errors and ultimately - the RAID group getting degraded, forcing a group rebuild. This is a bit annoying, but if the unit cover door is left open, it functions well.
Overall, a good product that gives decent drive performance if coupled with a RAID controller and RAID-enabled hard drives.
I am using it in a RAID6 configuration with 8x 3TB WD RED drives and an ATTO R680 controller and I'm getting around 600MB/s read and write performance on the desktop.
update 2015 : the fan is broken just after a year of use and after a first replacement by amazon ! Too dangerous for anyone serious in production
Most helpful customer reviews on Amazon.com
The chassis is about as small as you can make it while still having proper airflow. The fan has one of those annoying blue LEDS that every manufacturer wants to throw in a chassis.
Note that the individual drives are not shock isolated. Be sure to use NAS-rated or enterprise level drives. Cheap drives will experience lower performance from vibrations of nearby drives.
Update on Aug 8, 2014: I recently had a fan die in the unit similar to other reviewers. I don't know when it happened but I happened to see my SMART data showing 91 degC for my drives! I've replaced the fan with a high quality Scythe fan. I still stand by my original rating as the price and performance of this case can't be beat. Just add $15 for a good quality 120 mm fan to the original purchase price.
My only complaints are the stupid blue LEDs on the fans (which I knew about when purchasing), and the price. It's just essentially a metal box with eight drive bays and a SFF-8087 to 8088 adapter. $250 or $300 I could see, but $400 just seems so high. Neither of these complaints are worth knocking a star off though.
Edit: After about 5 months of ownership, like someone else, I had the fan in one of them die. It was pretty easy to replace, so I'm only knocking a star off.
Edit 2: Three years later, and both enclosures have had their 120mm rear fans and thin 80mm PSU fans die. I've replaced them all with third party fans, which for the PSUs, required buying thin 80mm fans, opening up the PSU, unplugging (or cutting, if it's glued in) the dead fan, replacing the dead one with the new one, and running the fan cable through the PSU cable outlet. Not a lot to do, but if you're lazy, Sans Digital also sells replacement PSUs on their web store. I was tempted to dock another star off due to the fan failures, but decided against it. They should have lasted longer, but ~2-3 years isn't too horrific.
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