Jon L. Jacobi

Freelance contributor

Jon is a Juilliard-trained musician, former x86/6800 programmer, and long-time (late 70s) computer enthusiast living in the San Francisco bay area.

WD My Cloud Mirror (Gen 2) review: Your files here, there, everywhere

QNAP TS-251 NAS box review: Fast and versatile, but short on memory

QNAP TS-251 NAS box review: Fast and versatile, but short on memory

High-end NAS boxes tend to be expensive. QNAP’s latest is the most capable in its price range, but it comes with a few caveats.

Virtual hard drives: The IT pro trick that lets you back up your data for free

Virtual hard drives: The IT pro trick that lets you back up your data for free

IT professionals have used virtual hard drives for years in servers and virtual machines, but you can also use VHDs to back up your data. we'll show you how and when to do this.

Multiplicity 3 review: Virtual KVM software with new features and a new vendor

Computing environments such as server rooms often have so many PCs in such close proximity that having a separate display, keyboard, and mouse for each is not only confusing, but a waste of space. You can of course stick with one of...

Bitwig Studio on Linux: Will one top-tier app change the game?

The release of a highly anticipated music application on Ubuntu Linux could be a watershed event for the free OS.

Wi-Fi hard drive showdown: Corsair Voyager vs. Seagate Wireless Plus

What could be better than a portable hard drive? A battery-powered portable hard drive that provides its own Wi-Fi hotspot, of course. Corsair's Voyager Air and Seagate's Wireless Plus command hefty price premiums compared to more...

Intel delivers good performance and value with its 525 Series mSATA drives

Intel is looking to capture and more of the SSD market with the release of its 525 Series mSATA drives. These tiny storage devices deliver respectable performance at good prices. The new 525 Series is based on Intel's 25nm NAND memory...

Iomega px2-300d network-attached storage device

The Iomega px2-300d is a two-bay NAS box that delivers very good performance, excellent backup and surveillance features, and a helpful LCD that reports on the unit's status (IP address, current time, storage remaining, and so on)....

QNAP TS-269 Pro review: A fast and powerful NAS box with a steep learning curve

Few would dispute that QNAP makes very fast NAS hardware--the company's boxes are consistently at the top of PCWorld's performance charts. The TS-269 Pro is no exception, being the overall fastest two-bay NAS box that we've...

Crucial M4 (512GB): A fast-reading, slow-writing, high-capacity SSD

The 512GB Crucial M4 is one of the highest-capacity solid-state drives we've tested; it also proved to be one of the faster readers. Using a Marvell 9174 controller, 25nm MLC (multi-level cell) NAND flash memory, and the latest SATA...

Velocity Solo X2 review: Teach an old PC new SATA 6-gbps tricks

If your PC lacks a SATA 6-gigabits-per-second interface, you can't get top performance out of any of the latest consumer-grade solid-state drives. Such drives bump up against the 6-gbps limit of that bus, while the older...

Ultimate guide to SSDs (plus reviews of 7 new drives!)

Installing an SSD in your PC, be it a laptop or a desktop, is one of the easiest and most effective ways to boost the machine's overall performance. The change won't be merely noticeable--it will startle you. Your system will boot...

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