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RAID

Various types of RAID setups.

Data Safety with RAID-1 Mirror

Protect your data with a fault-tolerant RAID-1 Mirror.

About Using Software RAID

Reasons for using software RAID, making the choice of RAID type, etc.

Software RAID Performance with SoftRAID 5

High performance RAID-0, RAID-1, RAID-5, RAID-1+0.

Software RAID with SoftRAID

Making software RAID volumes.

OWC Thunderbay 4 Mini

High performance with 2.5-inch hard drives or SSDs.

OWC Thunderbay IV / 4 Thunderbolt Enclosure

High performance with hard drives or SSDs.

OWC Mercury Elite Pro Dual Thunderbolt / USB3

Dual-drive Thunderbolt + USB3 user-selectable RAID.

Fast and Reliable Hardware RAID

How fast and reliable can RAID-0, RAID-5 and RAID-6 go using an 8-drive mini-SAS box and a hardware RAID card?

OWC Portable Dual-Drive RAID-0 or RAID-1 Mini Enclosures

Dual-drive externals for travel or compact backup.

HGST 8TB Ultrastar He8

Outstanding high-capacity enterprise hard drive.

How To Guides

How to perform useful tasks and upgrades.

OWC Mercury Extreme Pro 6G SSD

Fast 6 Gbps solid state drives eclipse prior generations with 500+ MB/sec.

OWC 1TB Mercury Extreme Pro 6G SSD (Late 2015), Single and RAID-0

OWC Mercury Electra 6G 960GB SSD

Fast 6 Gbps high capacity SSD.

OWC Mercury Electra 960GB — RAID-5, RAID-4, RAID-0, RAID 1+0

Blog posts

OWC Announces SoftRAID 5.5: allows users to convert Apple RAID volumes to SoftRAID 04/11
Reader Question: Backup Drive for a RAID 01/09
TESTED: 2TB Samsung 850 EVO, Singly and RAID-0 12/19/15
400GB SSD for $99: Old Dog Laptop? Puppy It! Or 1.6TB Thunderbolt SSD? Easy as Pie. 12/16/15
New Products from OWC 12/16/15
Walkthrough: How to make a RAID Stripe Using SoftRAID 5.1 12/12/15
TESTED: 1TB OWC Mercury Extreme Pro 6G SSD in Thunderbay 4 Mini, RAID-0 Stripe Configuration 12/10/15
Reconfiguring Storage to use 8TB Drives, Data Integrity Critical 12/07/15
Disk Utility Has No RAID Support in OS X El Capitan but OWC Has SoftRAID Lite for only $34 11/19/15
SoftRAID RAID-4 / RAID-5 Performance with Heavy CPU load 11/18/15
HGST 8TB Ultrastar He8: RAID-4, RAID-0, RAID-5 Scalability 11/17/15
OWC Announces SoftRAID 5.1, and SoftRAID Lite 11/14/15
Testing Hard Drive Consistency for a RAID 11/13/15
REVIEWED: HGST 8TB Ultrastar He8 Hard Drive, Singly and in RAID 11/11/15
OWC Thunderbay 4 Deal: 20TB RAID-5 Edition Deal: now with Spare 5TB Drive 10/31/15
Reader Question: Why No USB3 ports on OWC Thunderbay 4? 10/16/15
OWC Thunderbay 4 Deal: 20TB RAID-5 Edition Deal: now with Spare 5TB Drive 10/16/15
Checking RAID-1 Mirror Status in OS X El Capitan (now that DiskUtility is toast for RAID) 10/16/15
Apple Kills Off RAID Support in OS X El Capitan, Leaving Users Dangling in the Wind: SoftRAID is the Solution Now 10/08/15
OS X El Capitan: Disk Utility “designed by morons” design ethic + RAID Support Removed + Wanton Bugs 10/08/15
Testing Multiple Drives for Consistency for a RAID , or just Finding Dud or Flaky Drives in a Batch 09/05/15
OWC Thunderbay can be Partitioned into Multiple RAID-5 Volumes 09/02/15
DEAL: OWC Thunderbay 4 RAID-5 Edition with Extra 4TB Drive 08/22/15
Testing Multiple Drives for Consistency for a RAID or Similar 08/11/15
OWC Thunderbay 4 RAID Customers: Get your FREE SoftRAID Download 07/01/15
Storage and RAID Deals 06/06/15
RAID-5 Can Partitioned 05/22/15
OWC NAB Specials Through Apr 19 04/17/15
OWC Jupiter Ideal for Video Storage; NAS and/or SAN at 10 GBps, up to 512TB 04/16/15
SoftRAID 5.0.7 Delivers Performance Enhancements 04/07/15
SoftRAID 5.0.6 Released With Important Fixes 02/02/15
How Fast Can Eight (8) SSDs go: Speed vs I/O Transfer Size 01/29/15
How Fast Can Eight (8) SSDs go: SoftRAID RAID 1+0 vs RAID 5 01/29/15
How Fast Can Eight (8) SSDs go in Dual OWC Thunderbay Minis on Thunderbolt 2? 01/28/15
Testing Multiple Drives for Consistency for a RAID or Similar 01/09/15
OWC Mercury Electra 6G 960GB SSD: RAID-0 Striping vs RAID-5 vs RAID-4 vs RAID-10 12/06/14
RAID-0 vs RAID-4 or RAID-5: Does the CPU Usage Matter? 11/25/14
RAID-0 vs RAID-4 or RAID-5: Does the CPU Usage Matter? 11/23/14
RAID-5 vs RAID-4: Which is Faster? 11/22/14
RAID: Performance vs Transfer Size 11/22/14
Any Kind of RAID is Easy with SoftRAID 11/21/14
SoftRAID 5.0.5 Released 11/21/14
OWC ThunderBay Mini Performance with Four SSDs 11/21/14
OWC ThunderBay Mini Performance with Four SSDs 11/20/14
OS X Yosemite: Update the SoftRAID Driver 11/19/14
OWC Announces ThunderBay Mini: 4-bay Enclosure for 2.5-inch Drives, Thunderbolt v2 11/17/14
OWC Offers Thunderbay Mini, Thunderbolt v2 Enclosure for 2.5-Inch SSDs or Hard Drives (4 bays) 11/14/14
RAID-5 Can Partitioned 10/11/14
Thunderstorms and Thunderbay 08/22/14
OWC Offers Thunderbay in RAID-5 Edition 08/05/14
SoftRAID 5 Goes Final: High Performance RAID 5, RAID 1+0, RAID-0, RAID-1 08/04/14
Fast H.264 Video Compression on the MacBook Pro Beats the 2013 Mac Pro 07/29/14
RAID 1+0 Fault Tolerance with SoftRAID 5 07/29/14
Four SSDs in OWC Thunderbay 4 test with RAID-0 and RAID-5 07/25/14
RAID-0 Scalability with Thunderbolt 2: Separate Bus or Daisy Chain? 07/11/14
RAID-0 Scalability: 60TB and 12 Hard Drives in Three OWC Thunderbay 4 Enclosures 07/08/14
60TB here for Testing (OWC Thunderbay 4) 07/02/14
July 4th deal on OWC Thunderbay IV 07/01/14
Reader Questions on SoftRAID 06/30/14
Testing the OWC Thunderbay 4 06/29/14
OWC Ships Thunderbay 4-Drive Solution with Thunderbolt 2 06/25/14
OWC Thunderbay Special 06/16/14
Big Fault Tolerant Storage: OWC Now Offers a Supported and Preconfigured RAID-5 Solution via SoftRAID + Thunderbay 06/10/14
SoftRAID 5: RAID-5 Can Be One Huge Volume, or Partitioned to Suit 06/08/14
SoftRAID 5: How it Works (Screen Shots) 06/08/14
SoftRAID 5: Performance with RAID-0, RAID-5, RAID-1+0 06/08/14
Fault Tolerant RAID: Cold Spare Advised 06/08/14
Testing Multiple Drives for Consistency for a RAID or Similar 06/08/14
Thunderbolt: Does the Cable Length Matter for Performance? 06/04/14
Awesome: SoftRAID with RAID-5 rebuild 06/03/14
OWC Thunderbay as RAID-5 or RAID 1+0 Video Storage Solution 05/28/14
Safely Recording and Storing Video Footage: a Few Pointers 05/17/14
OWC Thunderbay Now up to 20TB as 4 X 5TB Drives 05/07/14
OWC Thunderbay Fan Noise = Nil 05/06/14
Reader Question: Upgrading Video Card for Adobe Lightroom in 2009 Mac Pro 04/14/14
MPG Experience: a Month Using the 8-core 3.3 GHz 2013 Mac Pro 04/10/14
OWC Upgrades Thunderbay 4-Bay Enclosure to Ultra-Quiet Fan 04/07/14
Housing Data Safely: Dual OWC Thunderbay 4-Bay Units for Performance, Capacity, Redundancy, Backup 03/08/14
Is a 4TB Enterprise-Grade Hard Disk Drive Faster than a 3TB Consumer-Grade HDD For RAID? 02/12/14
Tips for Attaching Thunderbolt Devices on the 2013 Mac Pro 02/09/14
Reviewed: OWC Thunderbay 4-bay Thunderbolt Enclosure 02/08/14
Erasing a Drive, How and Why to Partition a Drive, RAID, Validating a Drive 01/05/14
Why Use RAID? Is RAID for Backup? What is Fault Tolerance 01/04/14
Validate Hard Drives Before Putting into Use Especially for RAID 01/04/14
Soft RAID 5 to Offer RAID-5 and RAID 1+0 Fault Tolerance via Software for Any Multi-Drive Setup 01/01/14
OWC Mercury Elite Pro Dual on Thunderbolt: Striping and Striped Pair of Mirrors 12/30/13
OWC Mercury Elite Pro Dual as Fault-Tolerant RAID-1 Mirror over Thunderbolt 12/26/13
OWC Mercury Elite Pro Dual: Thunderbolt vs USB for Dual-Drive RAID 12/23/13
Photoshop CS6 Performance with Pegasus J4 + OWC 6G SSD RAID 07/07/13
Promise Pegasus J4 Thunderbolt: Recommended High Performance Config *with* Built-in Backup 07/05/13
Promise Pegasus J4 Thunderbolt: Performance with Hard Drives 07/03/13
Promise Pegasus J4 Thunderbolt: Performance with Four OWC 6G SSDs and Incompressible Data 07/03/13
Promise Pegasus J4 Thunderbolt: Performance with Four OWC 6G SSDs 07/03/13
Promise Pegasus J4: Initializing Drives 07/02/13
Promise Pegasus J4: Internal View with Four 6G SSDs 07/02/13
Promise Pegasus J4: Coming for Testing with SSD and HDD 07/01/13
Reader Comment: RAID, Highpoint, USB3 03/23/13
FOR SALE: Atto R380 RAID Card + CiDesign iStorage Pro + 8 X 2TB Hard Drives 02/04/13
Fast Hard Drive: Toshiba HGST 3TB (HDKPC08/DT01ACAxx) with RAID-0 Stripe Results 01/11/13
Verify/Repair a RAID Volume in Mac OS X Lion (Disk Utility won’t work) 07/10/12
Update on SoftRAID and Mac OS X 10.7.4 Volume Mounting 05/23/12
OWC Mercury Accelsior PCIe SSD 240GB vs 480GB + RAID 05/06/12
4TB Hitachi Deskstar 7K4000 Hard Drive in 3-way RAID-0 Stripe 04/11/12
One Good Reason to use SoftRAID — Predicting Drive Failure 08/14/11
FOR SALE: Atto R380 RAID Card + CiDesign iStorage Pro + 8 X 2TB Hard Drives 08/11/11
Software RAID Works on Lion, But Apple Has Broken Basic Functionality 07/23/11
OWC 480GB in 2010 Mac Pro, Single SSD, and RAID-0 of 2 or 3 SSDs 07/04/11
How fast are Four Hitachi 7K3000 3TB Hard Drives in a RAID-0 Stripe? 05/07/11
Making a RAID-1 Mirror with SoftRAID 4 03/13/11
OWC QX2 RAID now with up to 12TB 12/29/10
NewerTech Guardian Maximus 3TB RAID-1 Mirror for Fault Tolerance 12/11/10
Fast Reliable Hardware RAID with the iStoragePro 8-Bay Enclosure + Atto R380 RAID card 11/07/10
Fastest Ever! Western Digital RE4 2TB Enterprise Grade 'RAID Edition' hard drive w/ 64MB Cache 07/10/10
Newer Technology Guardian Maximum 2TB RAID-1 Mirror for Plug and Play Reliability 05/23/10
MacBook Pro SSD single drive and RAID stripe vs hard drive 05/14/10

ThunderBay 4 - The Speed To Create. The Capacity To Dream.