Seagate has announced its Momentus Thin line of 2.5-inch notebook hard drives, the world’s thinnest. They are designed for use in notebook/netbook computers, backup devices, and consumer electronics.

Seagate has announced its first line of Solid State Disks (SSDs), Pulsar. The Pulsar line is designed for enterprise blade and general server applications. They have a 2.5-inch form factor, 7mm height, SATA interface, and use Single-Layer Cell (SLC) technology for up to a 200GB capacity.

Western Digital has announced its first entry into the traditional enterprise hard drive market with its first 10,000 RPM 2.5-inch SAS interface hard drives.

While an interface does necessarily make the drive the world’s fastest, Seagate is first to announce a drive featuring the increased headroom. Seagate Ships World’s Fastest Desktop Hard Drive; First Drive to Feature Serial ATA 6Gbit/Second Technology Seagate Teams With Technology Leaders to Bring SATA 6Gbit/s Complete Solutions to Market Seagate Technology (NASDAQ:STX) today began

Today WD introduces the industry’s first two-terabyte hard drive. WD® LAUNCHES INDUSTRY’S FIRST 2 TB HARD DRIVES WD’s Eco-friendly, Cool and Quiet, WD Caviar® Green™ Drive Marks the Largest Capacity Hard Drive in the Industry LAKE FOREST, Calif. – Jan. 27, 2009 – WD (NYSE: WDC) today announced the first 2 terabyte (TB) hard drive

Today Seagate introduces its newest Cheetah drives, the 600 GB 15K.7 and NS.2. Seagate Announces New Cheetah® Hard Drives Cheetah® 15K.7 and Cheetah® NS.2 HDDs take on 3.5-inch Tier 1 enterprise storage environments with high speed, top capacity, and highest reliability with lowest power consumption SCOTTS VALLEY, Calif. – January 13, 2009 – Seagate (NASDAQ:STX)

Seagate has doubled the capacity of its physically-tiny IOps monster to 146 GB. SEAGATE® INTRODUCES WORLD’S FASTEST, GREENEST ENTERPRISE HARD DRIVE New Savvio® HDD uses 70% less power than competing 3.5-inch hard drives, and is a key component in Seagate’s new Unified Storage™ architecture SCOTTS VALLEY, Calif. — November 3, 2008 — Seagate (NASDAQ:STX) today

Performance numbers for Hitachi’s revised terabyte drive (featuring three platters versus the older 7K1000’s five) have been entered into the Performance Database. Deskstar E7K1000 vs Deskstar 7K1000 The manufacturer’s newest drive delivers across-the-board performance improvements. Hitachi Deskstar E7K1000 vs. Western Digital Caviar Black WD1001FALS vs. Samsung SpinPoint F1 While it doesn’t hit the 1100+ IOps/sec

Results for a final production model VelociRaptor, WD’s performance-oriented terabyte Caviar Black, WD’s mobile 7200 RPM Scorpio Black, and Hitachi’s 500 GB notebook monster have been added to the performance database. Some relevant comparisons: VelociRaptor – Beta vs. Final version WD’s 10,000 RPM drive loses a bit of ground in the Office DriveMark 2006 but