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Apple Mac iMac 5K (March 2019)

Rocking fast iMac with 8 cores and up to 128GB..

Apple Mac mini (November 2018)

True desktop-class performance..

Apple MacBook Pro Retina (July 2018)

Vastly improved performance over 2017 model, 6 CPU Cores..

Apple MacBook Pro Retina (June 2017)

Improved performance over 2016 model..

Apple MacBook Pro Retina (late 2016)

Touchbar, wide gamut, unrivalled SSD..

Apple 12-Inch MacBook (2016)

An iPad-sized laptop, refreshed..

Apple MacBook Pro Retina (2015)

Evolving the platform with a hyper fast SSD..

Cloning

How to utilize cloning for backup and other chores..

Understanding Storage and Hard Drives

How to erase and partition drives..

Drive Capacity and Speed

Larger drives are faster..

Promise Pegasus J4 Thunderbolt 4-Drive Enclosure

SSDs or hard drives for fast single-drive or RAID volumes in a portable enclosure..

Thunderbolt peripherals

Reviews of Thunderbolt products..

Apple 2017 iMac Pro

High-end computing moves to the iMac form factor..

Apple 2017 iMac 5K

Even better than the 2015 model..

Apple 2015 iMac 5K

5K Display, blazingly fast SSD.

Apple 2014 iMac 5K

World’s first 5K Display.

Setting Up Your Mac

Suggestions for setting up your Mac for performance and data safety..

Easy Thunderbolt Networking (10 Gigabit)

Networking as fast as an SSD!.

Mac OS X 10.6 Snow Leopard

Special Report: Upgrade Now or Wait?.

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?.

Apple Mac Pro Westmere 4/6/8/12-Core (Aug 2010)

Choosing among 4/6/8/12 cores, and is 2010 Mac Pro faster or better than 2009 model?.

Solid State Drives, Various

SSDs and thumb drives..

OWC Mercury Extreme Pro 6G SSD

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

OWC Mercury Extreme Pro 3G Solid State Drives

Fast and durable, enterprise-grade solid state drives..

SPECIAL REPORT: Real World SSD Performance

Many brands of solid state drives put on a good show when new, but some degrade with use..

Solid State Drives (SSD)

Choosing and using solid state drives..

Apple iMac 3.4 GHz (Late 2012)

Apple’s fastest Mac as of Jan 2013?.

Apple 12-Inch MacBook (2015)

An iPad-sized laptop..

Apple MacBook Pro Quad-Core (February 2011)

A review of Apple’s first quad-core laptop..

MacBook Pro eSATA Cards

A review of eSATA cards for the MacBook Pro..

Drives and Expansion and Various

Reviews of various hardware and software..

Desktop Hard Drives

Performance and use..

Laptop Hard Drives

Technical performance data..

Fusion How To

Using Apple’s Fusion drive technology..


Blog posts

2019

2019-05-27 Detecting Corruption / Validating Data Integrity Over Time and Across Drives and Backup/Restore

2019-02-22 Performance Tip for diglloydTools IntegrityChecker, java version

2019-01-26 Apple 2018 Mac mini: Java Performance for diglloydTools IntegrityChecker a Big Bump Up vs 2017 iMac 5K

2019-01-19 Testing Six Samples of Toshiba 14TB MG07ACA Enterprise Class Hard Drive

2018

2018-12-25 Data Integrity Over Time, and with OS Changes

2018-09-29 Data Integrity Over Time, and with OS Changes

2018-09-03 Checking drives before putting into “production”

2017

2017-12-30 diglloydTools v 2.2.15 Now Includes Java IntegrityChecker with up to 50% Speed Improvement

2017-12-24 diglloydTools Updated to v 2.2.15, IntegrityChecker Sees up to 38% Speed Improvement

2017-12-23 Why More CPU Cores Often Run no Faster, and Sometimes Slower than Fewer CPU Cores

2017-12-01 Reader Question: Testing More than One New Drive with DiskTester

2017-08-23 SoftRAID Saves the Day

2017-08-21 Checking drives before putting into “production”

2017-07-19 2017 MacBook Pro vs My 2015 MacBook Pro

2017-07-18 2017 MacBook Pro: IntegrityChecker Verify

2017-07-16 Apple Bug? 2017 MacBook Pro Has Impaired Performance Using Apple Power Brick vs OWC Thunderbolt 3 Dock + Why Does 800% CPU Usage Go Into Idle Clock Speed Mode?

2017-05-24 Reader Question: Testing More than One New Drive with DiskTester

2017-01-19 Checking drives before putting into “production”

2016

2016-12-29 Even ”Enterprise Grade” Drives Fail

2016-12-01 Wiping Personal Data Off a Mac that is Being Returned or Sold

2016-11-30 Reader Comment: DiskTester

2016-10-08 diglloydTools: Current version Works with macOS Sierra (no update needed)

2016-09-10 Reader Question: diglloydTool IntegrityChecker to address “had an experience where a number of my RAW files were silently corrupted”

2016-08-13 diglloydTools IntegrityChecker Java Version: Finds Duplicates, Saved me 100GB!

2016-08-13 diglloydTools IntegrityChecker 'icj' beta 6 now posted

2016-08-09 diglloydTools IntegrityChecker 'icj' beta 5 now posted

2016-08-04 NEW! Cross Platform Java-Based diglloydTools IntegrityChecker

2016-07-21 My Kids Don’t Like the Idea Much

2016-07-19 Reader Question: Carbon Copy Cloner and File Integrity

2016-05-31 What a Bad Hard Drive Fails Like when Running diglloydTools 'fill-volume'

2016-05-18 Apple 2016 MacBook: Real-World Photoshop Performance + IntegrityChecker Speed

2016-05-18 Apple 2016 MacBook: Real-World Photoshop Performance + IntegrityChecker Speed

2016-04-17 8TB HGST Ultrastar He8 Hard Drive in 2009 Mac Pro Internal Bay (DiskTester fill-volume)

2016-04-04 Selling that Computer? Wipe Out Personal Files First

2016-03-27 What a Bad Hard Drive Fails Like when Running diglloydTools 'fill-volume'

2016-01-24 diglloydTools Updated to version 2.2.13

2015

2015-12-07 Reconfiguring Storage to use 8TB Drives, Data Integrity Critical

2015-12-05 iMac 5K (Late 2015) vs Mac Pro: XCode Build diglloydTools

2015-12-05 diglloydTools Updated to version 2.2.12

2015-11-20 Late 2015 iMac 5K: IntegrityChecker 'verify' (SHA1 hash)

2015-11-14 Real-World Drive Speed with 8TB HGST Ultrastar He8 Hard Drive (DiskTester fill-volume)

2015-11-13 Testing Hard Drive Consistency for a RAID

2015-11-13 Real-World Drive Speed with 8TB HGST Ultrastar He8 Hard Drive (DiskTester fill-volume)

2015-11-09 Reader Comment: “DiskTester is awesome software as it detects irregularities before they become relevant”

2015-10-07 diglloydTools: Working Fine on El Capitan

2015-09-05 Testing Multiple Drives for Consistency for a RAID , or just Finding Dud or Flaky Drives in a Batch

2015-08-11 Testing Multiple Drives for Consistency for a RAID or Similar

2015-07-05 diglloydTools for Testing Drives, Data Integrity, Wiping Sensitive Files

2015-06-08 2015 MacBook Pro SSD Speed = Awesome in the Real World Too

2015-05-03 Detecting Corruption / Validating Data Integrity Over Time and Across Drives and Backup/Restore

2015-02-28 diglloydTools Updated to version 2.2.11

2015-01-17 What’s the Most Important Aspect of Your Mac?

2015-01-17 How to Automate DiskUtility Verification of Mounted Volumes

2015-01-12 Selling that Computer? Wipe Out Personal Files First

2015-01-12 Reader Feedback: “WORTH it. My drive (SSD) is back and so is my productivity”

2015-01-09 Testing Multiple Drives for Consistency for a RAID or Similar

2015-01-09 Detecting Corruption / Validating Data Integrity Over Time and Across Drives and Backup/Restore

2014

2014-12-12 TESTED: OWC Aura SSD for 2013 Mac Pro (first + only internal 2TB SSD for Mac Pro)

2014-12-12 OWC Aura SSD for 2013 Mac Pro

2014-12-06 OWC Mercury Electra 6G 960GB SSD: RAID-0 Striping vs RAID-5 vs RAID-4 vs RAID-10

2014-12-05 OWC Mercury Electra 6G 960GB SSD: Stunning Performance in Thunderbay Mini: Throughput, Photoshop, Incompressible Data Too

2014-12-04 diglloydTools Updated to version 2.2.11

2014-11-25 RAID-0 vs RAID-4 or RAID-5: Does the CPU Usage Matter?

2014-11-23 RAID-0 vs RAID-4 or RAID-5: Does the CPU Usage Matter?

2014-11-22 RAID: Performance vs Transfer Size

2014-11-22 RAID-5 vs RAID-4: Which is Faster?

2014-11-21 diglloydTools Updated to version 2.2.9

2014-11-21 What an Impaired SSD Looks Like

2014-11-12 diglloydTools Updated to version 2.2.8

2014-11-11 Configuring and Backing Up High Capacity Multi-Drive Storage

2014-11-07 Selling that Computer? Wipe Out Personal Files First

2014-11-02 diglloydTools DiskTester, IntegrityChecker, MemoryTester — Works Fine on OS X Yosemite

2014-10-31 Fastest iMac 5K vs the Fastest Mac Pro: Integrity Checker (SHA1 Hash)

2014-10-11 Wiping Free Space on Hard Drives and SSDs

2014-09-10 Wiping Free Space on Hard Drives and SSDs

2014-08-29 diglloydTools Updated to version 2.2.7b

2014-07-30 Just Did a Big Drive Reconfig: How Did I Verify Data Integrity?

2014-07-15 diglloydTools Updated to version 2.2.7a

2014-06-23 Through June 30: Take 20% off Consulting with purchase of diglloydTools

2014-06-21 Reader Question: “A way to make DiskTester iterate test for 50 times or more?”

2014-06-21 Reader Feedback: “WORTH it. My drive (SSD) is back and so is my productivity”

2014-06-11 Detecting Corruption / Validating Data Integrity Over Time and Across Drives and Backup/Restore

2014-06-08 diglloydTools Updated to version 2.2.7b1

2014-06-08 Testing Multiple Drives for Consistency for a RAID or Similar

2014-06-03 Awesome: SoftRAID with RAID-5 rebuild

2014-05-06 diglloydTools Updated to version 2.2.5

2014-05-03 diglloydTools Updated to version 2.2.4

2014-04-01 diglloydTools Updated to version 2.2.3

2013

2013-10-26 Minor Update for diglloydTools for OS X Mavericks

2013-10-07 OS X Mavericks and diglloydTools

2013-10-07 Are Your Backup Drives Still Functional? Are Your Files Subtly Damaged?

2013-09-07 OS X Mavericks and diglloydTools

2013-07-12 How to Safely Transfer Data or Verify Backups

2013-06-29 How to Safely Transfer Data or Verify Backups

2013-06-29 How to Automate DiskUtility Verification of Mounted Volumes

2013-06-11 Detecting Corruption / Validating Data Integrity Over Time and Across Drives and Backup/Restore

2013-04-07 Example of Verifying Data Integrity

2012

2012-12-15 What’s Most Important for Your Mac?

2012-11-18 Reader Question: DiskTester and OS X Cache

2012-10-08 Media integrity and performance verification— one of many reasons to use DiskTester

2012-02-16 Hitachi Coolspin 4TB Hard Drive

2012-02-10 diglloydTools beta Now Available for Download

2012-02-05 Working on diglloydTools Update

2011

2011-11-16 Media integrity and performance verification— one of many reasons to use DiskTester

2011-10-10 Yes, diglloydTools Works on Mac OS X Lion (and Mountain Lion)

2011-07-24 Mac OS X Lion and diglloydTools

2011-03-28 How to Safely Transfer Data or Verify Backups

2010

2010-10-30 Reader Feedback on Mac Pro Setup and more

2010-08-30 2010 Mac Pro Remains Bus-limited With More than Two Fast Solid State Drives

2010-08-07 New Sites for diglloydTools, MPG Pro Workstation, MPG Pro Laptop, MPG Pro One

2010-05-29 Restoring solid state drive performance with DiskTester ‘recondition’

2010-05-28 Media integrity and performance verification— one of many reasons to use DiskTester

2010-04-14 DIGLLOYD Mac Performance Guide releases powerful Mac Performance Enhancement and Testing Tools — diglloydTools 2.0

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