There was a time when Western Digital's Raptor (and later, the
VelociRaptor) was a staple of any high-end desktop build. Rotational
media could only deliver better performance by increasing aereal density
or spindle speed. In a world dominated by hard drives that focused on
the former, WD decided to address both. By shipping the only mainstream
(e.g. not SCSI or SAS) 3.5" hard drive with a 10,000 RPM spindle speed,
WD guaranteed that if you needed performance, the Raptor line was the
way to go.
Two years ago we met the most recent update to the VelociRaptor line:
the VR200M. While it raised the bar for the VelociRaptor, WD saw its
flagship competing in a new world. SSDs were now more affordable,
resulting in even more desktop builds including an SSD. Although the
high dollar-per-GB cost associated with SSDs demanded that desktop users
adopt a two-drive model (SSD + HDD), for storage of large media files a
standard 5400RPM or 7200RPM drive was just fine. After all, moving
large files is mostly a sequential operation which plays to the
strengths of most consumer drives to begin with.
There are still users who need more storage than an SSD can affordably
provide, and who demand speed as well. Although photo and video editing
is great on an SSD, a big enough project would have difficulty sharing a
128GB SSD with an OS, applications and other data. For those users who
still need high performance storage that's more affordable than an SSD,
the VelociRaptor is still worthy of consideration. There's just one
problem: Moore's Law is driving the cost of SSDs down, and their
capacities up. The shift to solid state storage is inevitable for most,
but to remain relevant in the interim the VelociRaptor needed an update.
Today Western Digital is doing just that. This is the new VelociRaptor, available in 250GB, 500GB and 1TB capacities:
| WD VelociRaptor Historical Comparison | |||||
| WD VelociRaptor VR333M | WD VelociRaptor VR200M | WD VelociRaptor VR150M | |||
| Capacity | 1000/500/250GB | 600/450GB | 300/150GB | ||
| Interface | 6Gbps SATA | 6Gbps SATA | 3Gbps SATA | ||
| Advanced Format (4K Sectors) | Y | N | N | ||
| Rotational Speed | 10000 RPM | 10000 RPM | 10000 RPM | ||
| Buffer Size | 64MB | 32MB | 16MB | ||
| Transfer Rate Buffer to Disk | 200 MB/s | 145 MB/s | 128 MB/s | ||
| Platter Density | 333GB | 200GB | 150GB | ||
| Warranty | 5 years | 5 years | 5 years | ||
The basic design remains unchanged. Take a 2.5" drive with platters
spinning at 10,000 RPM and pair it with a 3.5" adapter that also acts as
a heatsink. Internally the drive gets all of the expected updates.
Platter density is now up to 333GB (3 platters for the 1TB drive, 2 for
the 500GB drive and 1 for the 250GB). All members of the new
VelociRaptor family feature a 64MB DDR3 cache. Combine that with some
firmware updates and you've got a recipe for larger capacities and
higher performance.
The drive is available today and retails for $319 for the 1TB model,
$209 for the 500GB model and $159 for 250GB. These prices are a bit
lower than what the VelociRaptor VR200M launched at two years ago (the
500GB is significantly cheaper than the old 450GB launched at).
| WD VelociRaptor Lineup | ||||||
| WD1000DHTZ | WD5000HHTZ | WD2500HHTZ | ||||
| Capacity | 1TB | 500GB | 250GB | |||
| MSRP | $319.99 | $209.99 | $159.99 | |||
| Cost per GB | $0.319 | $0.419 | $0.639 | |||
Compared to standard 3.5" drives, the VelociRaptor is quite expensive.
You can buy a 3TB 7200RPM drive at roughly $0.06 per GB, compared to
$0.319 per GB for the most cost effective VelociRaptor. Compared to an
SSD however, the VRs are still cheaper - although not by a ton if you
compare to a low capacity drive. Samsung's SSD 830 (128GB) will cost you
$1.36 per GB.
