storage

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Hitachi Deskstar 5K4000 Review

Finally, a 4TB hard drive. That’s one more than three!

MOST OF US DON'T NEED 4TB hard drives. Most of us don’t even need 3TB drives. Unless you create, edit, or store lots of high-definition video; have backups of all your machines; have a massive lossless audio library; or…. You know what? Maybe we do need 4TB drives. After a couple of years making do with puny 3TB drives (like animals!), it’s time to get 25 percent more stuff into our 3.5-inch drives. Though other drive makers offer 4TB external drives, Hitachi GST is the first drive maker to give you 4TB on the inside. And didn’t your mother or mother-equivalent teach you that it’s what’s on the inside that counts?

We’ve been expecting 4TB drives since Seagate’s 1TB/platter 3TB drive in the January 2012 issue, but the four-platter 4TB 7,200rpm drive we’ve been dreaming of isn’t here yet. Instead, we get Hitachi’s Deskstar 5K4000, which packs a full four terabytes into a standard 3.5-inch drive, but on five platters, not four. The platters have a maximum areal density of 443Gb per square inch. The 5K4000 has 32MB of cache, a 6Gb/s SATA controller, and a spin speed of 5,400rpm.

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Netgear ReadyNAS Duo v2 Review

Platform shift hobbles Netgear’s latest ‘prosumer’ NAS

THE CPU WARS aren’t just about x86 procs, PCs, and phones. The second version of Netgear’s ReadyNAS Duo makes the move from an older Sun SPARC chip to ARM, and the transition isn’t pretty.

Netgear’s ReadyNAS Duo v2 uses a single-core Marvell 1.6GHz ARM processor and 256MB of memory. Two sliding hard drive bays are hidden behind the front door and support two drives in capacities up to 3TB each. The ReadyNAS Duo v2 ships in three configurations: empty, half populated (1TB), and fully populated (2x 1TB). We tested the last option, which came with two Seagate Barracuda 7200.12 drives. The chassis is steel and aluminum, not plastic like some other two-bay NAS devices.

The ReadyNAS Duo v2 supports JBOD, RAID 0, RAID 1, and X-RAID2 drive configurations. X-RAID2 is a configuration from Netgear that allows for dynamically expanding your volume by adding more drives—a carryover, one assumes, from Netgear’s larger NAS boxes, as it’s not useful in a two-bay NAS. The back of the NAS features two USB 3.0 ports, a single Gigabit Ethernet jack, and a power plug that connects to an external 60W power supply. A USB 2.0 port is located on the front of the device, along with the power button and LEDs to indicate drive and USB status. A single 9cm case fan on the rear of the NAS takes care of cooling while keeping the noise level to a low hum.