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HighPoint RocketRAID 2720SGL PCI-Express 2.0 x8 Low Profile SATA / SAS Controller Card
  • Verified Owner
  • Owned For: more than 1 year

3 out of 5 eggs Raid 5 Issue with 8T Array 10/28/2014

This review is from: HighPoint RocketRAID 2720SGL PCI-Express 2.0 x8 Low Profile SATA / SAS Controller Card

Pros: Cheapish
Fastish (for a hybrid card)

Cons: Lies about individual drives' SMART data (doesn't show "real" numbers)
Slow rebuilds / drive checks
Issue with AMD booting (ASROCK mobo with Phenom II x4 - issue was "fixed" when upgraded CPU to FX-8350)
Just found BIG issue trying to RAID 5 with three 4TB HDs - created array, tested, discovered write speeds of only 40MBps! - rebuilt as RAID0 with same drives, write speed jumped to 450 MBps. Workaround- set back to RAID5, but manually set the size down from default (max size) to 7950 GB - for some reason, this worked, and now get expected write speed of 320 MBps. (Read speed was always good)

Other Thoughts: Would like to see new firmware that fixes the SMART issue, but am not holding my breath.

Seagate Barracuda 7200.14 ST3000DM001 3TB 64MB Cache SATA 6.0Gb/s 3.5
  • Verified Owner
  • Owned For: more than 1 year

Pros: Fast:
204 MB/Sec at one end to 96 MB/Sec at the other

(Especially if you get the Seagate 3T external drives on sale and "crack 'em open" for the spinning goodness within - of course, that voids the warranty, but is a source of spares in a pinch.)

Cons: Purchased 3 to replace RAID array (yeah, they're not rated for 24/7 but they're fast and cheap to replace), 1 out of 3 had "click of death" at initial power up

Individually bagged, but bottoms looked scraped up a bit like stacked high and slid around (clearly have not spent their warehouse lives inside the fancy bubble protectors they shipped in)

Live Fast, Die Young:
Drives are rated for 300,000 "load/unload" cycles - based on correlating a "ker-click ker-click" with the increasing number of cycles provided by SMART, the drives load/unload (in the White Zone?) about once every 5 minutes while idle.

Other Thoughts: Whether using these in RAID or as single drive, they must be watched - media patrol / verify array / chkdsk at least every couple of weeks.

Using a utility like HD Tune or anything which shows read/write transfer speeds across the drive is helpful in diagnosing bad blocks.

SEATools "Fix All Long" or Low Level Format (when SEATools gives up) can help prolong life, but keep a spare on hand.

RAID 5 is not a replacement for keeping BACK UPs (but can be an excuse to back up less often)

HGST Deskstar NAS H3IKNAS40003272SN (0S03664) 4TB 64MB Cache SATA 6.0Gb/s 3.5
  • Verified Owner
  • Owned For: 1 day to 1 week

Pros: Quiet
Doesn't get too hot
Major Pro: apparently only a single "load/unload cycle" per power up (unlike Seagate Barracuda which cycles every 5 minutes - have heard WD drives also cycle frequently)
Factory sealed anti-static bag (inside box)
Manufacture Date on drives' stickers was this month! (Good sign)
Rated for 24/7, 1 Million Hours MTBF

Cons: Slow for 7200 RPM drive - apparently this is why it's compared to "other 5400 RPM drives" (big sticker on the box) despite the fact that it's 7200
Continuous Speeds (not listed in specs):
162 MB/Sec at fastest sequential read/write
88 MB/Sec at slowest
Relatively flat performance arc from one end of the drive to the other (especially compared to Seagate, which ranges from 204 MB/Sec at one end to 96 MB/Sec at the other)
While doesn't get too hot, does get warm

Other Thoughts: Purchased 3 to replace current Raid 5 array (Seagate Barracuda 3TB drives) - all 3 good out of the box.
Lifespan rated at 600,000 "load/unload cycles" - twice as many as Seagate drives, and HGST doesn't keep cycling every 5 min!!! (No more annoying "ker-click, ker-click" even when nothing is going on.)

The drives are fairly heavy (good? bad? just is?) haven't hefted a 3 1/2" drive this heavy since the late 90's


Edward B.'s Profile

Display Name: Edward B.

Date Joined: 03/12/03

  • Reviews: 21
  • Helpfulness: 11
  • First Review: 09/28/07
  • Last Review: 10/28/14
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