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Intel 730 Series 2.5
  • Verified Owner
  • Owned For: 1 day to 1 week

5 out of 5 eggs One Of The Few You Should Consider 06/10/2015

This review is from: Intel 730 Series 2.5" 240GB SATA 6Gb/s MLC Internal Solid State Drive (SSD) SSDSC2BP240G4R5

Pros: These drives, along with the S3500 and S3700 series, have power-loss protection for data "in-flight" *as well* as "at rest." Don't be fooled folks; power failures DO happen and SSDs without this protection can be silently corrupted if it does. Those drives are UNSAFE to use for any sort of critical data AT ALL; how companies get away with selling them is beyond me. This is not theoretical either; I've had two corrupted over the last five years this way in "desktop" PCs.

These drives are a bit slower than the S3500s but a very solid choice. They are *not* the high-endurance type of unit; if you need that then pony up for the S3700. The cautionary note on endurance in write-heavy applications (e.g. database use, etc) is to beware of write amplification; since a SSD works in 4k block sizes and to change anything in a 4k block you must rewrite the entire thing a very small write turns into a 4k one internally.

With these drives now having come down a *lot* in price there's little argument against using them in any desktop PC as a system disk, or for that matter as a boot and OS device in a large server.

Cons: None.

Other Thoughts: Enterprise-class reliability in a reasonably-priced SSD. Do you really need the last little bit of speed if obtaining it means sacrificing data integrity? I think not.

HGST Deskstar NAS H3IKNAS40003272SN (0S03664) 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5
  • Owned For: 1 day to 1 week

Pros: These drives are FAST. Much quicker than the Seagate 4TB DM-series drives. They're a bit more expensive, but if performance is important the difference is likely worth it.

Unlike many others I've not had reliability problems with the Seagates, but performance is always an issue with rotating media, especially on a ZFS raidz2 config where writes require multiple physical writes to complete. Then again being able to lose two drives without losing data is a major comfort when you just can't get hosed. And no, raid (ZFS or otherwise) is NOT a substitute for backups!

Time will tell on the reliability front, but my initial impressions from a performance perspective are extremely favorable. These aren't SAS disks but for a SATA drive they turn in extraordinarily nice performance numbers and are competitive for what you get.

As with all computer hardware thermal management is important. If you're stuffing a bunch of these into a cabinet pay attention to airflow for best reliability. These appear to run a bit warmer than similar Seagate 4Tb drives I already own in the same cabinet (~3 degrees Celsius or so) and approximately the same as the 3Tb Seagates. Note the 4Tb Seagates are 5900 RPM .vs. 7200 for the others.

Caution: These are "advanced format" drives, as are all beyond 2TB. This means 4k sector sizes so when you install them make sure your software (or you!) properly align your partition(s) to 4kb boundaries or performance will be materially impacted, especially for writes.

Cons: None so far. Ask me in a couple of years.

Western Digital Black WD2002FAEX 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5
  • Owned For: more than 1 year

Pros: Very fast for its capacity; in the 2TB size it's very hard to get something that will beat it in raw I/O performance in the real world. Synthetic benchmarks don't tell the whole story, but real-world I/O numbers do and this drive is a winner. Higher capacity = higher areal density (usually) = faster I/O, all other things equal -- the 3tb 7200RPM drives are faster, but they have a density advantage.

Cons: Heat! Use with good airflow. These units run hotter than some of their competitors and if not properly cooled you'll have reliability problems. Nothing is free.

Other Thoughts: The 2TB class is more-or-less passe these days, but if you need storage in this class these are a good choice for RAID arrays and similar. I get an honest 100MB/s of sustained transfer rate off these in real-world (not synthetic benchmark) use which is a solid 30% better or so than the Hitachi 7200rpm drives return of the same capacity. I have had some failures but WD is good about warranty replacements and as noted then run hot so use them in a cabinet with proper airflow.


Karl D.'s Profile

Display Name: Karl D.

Date Joined: 12/19/04

  • Reviews: 20
  • Helpfulness: 15
  • First Review: 07/06/08
  • Last Review: 06/10/15
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