Thank you for buying via links and ads on this site,
which earn me advertising fees or commissions.
As an Amazon Associate I earn from qualifying purchases.

Other World Computing...
B&H Photo...
Amazon
As an Amazon Associate I earn from qualifying purchases.
Upgrade the memory of your 2018 Mac mini up to 64GB
877-865-7002
Today’s Deal Zone Items... Handpicked deals...
$1398 $998
SAVE $400

$1798 $1198
SAVE $600

$2299 $2069
SAVE $230

$240 $175
SAVE $65

$240 $175
SAVE $65

$1399 $799
SAVE $600

$2198 $1998
SAVE $200

$2299 $1799
SAVE $500

$2000 $1500
SAVE $500

$898 $798
SAVE $100

$1799 $1699
SAVE $100

$1699 $1499
SAVE $200

$999 $799
SAVE $200

$1798 $1198
SAVE $600

$1997 $1797
SAVE $200

$3399 $2799
SAVE $600

$400 $300
SAVE $100

$1699 $949
SAVE $750

$1199 $1099
SAVE $100

$1199 $1099
SAVE $100

$999 $949
SAVE $50

$1699 $949
SAVE $750

2017 iMac Pro: APFS vs HFS SSD Speed

2017 iMac Pro

The data on this page and others was painstakingly obtained, made possible by the support of OWC / MacSales.com and B&H Photo. Please order through our links via these companies and/or subscribe—thank you.

See the MPG recommendations for iMac Pro, backup, peripherals. Not sure which Mac to get or how to configure it? Consult with MPG.

This page compares SSD of the iMac Pro to other Macs.

SSD Speed: APFS vs macOS Extended

Real world speeds through the file system using diglloydTools DiskTester.
disktester run-sequential --test-size 8GB

This graph shows transfer speed across the entire drive capacity. Results were essentially identical with the 1TB and 2TB SSDs.

APFS is essentially identical to HFS for maximum write speed, but lags just slightly for read speed.

Flash Drive (SSD) Sustained Transfer Speed for large transfers across drive capacity, APF vs HFS
2017 iMac Pro
2017 iMac Pro
OWC Accelsior 4M2 PCIe SSD
6000 MB/sec!
Mac or PC.


Ideal for Lightroom, Photoshop, video.
Capacity up to 16TB!
View all handpicked deals...

Sony Alpha a7R II Mirrorless Digital Camera (Body Only)
$1798 $1198
SAVE $600

diglloyd.com | Terms of Use | PRIVACY POLICY
Contact | About Lloyd Chambers | Consulting | Photo Tours
Mailing Lists | RSS Feeds | Twitter
Copyright © 2020 diglloyd Inc, all rights reserved.
Display info: __RETINA_INFO_STATUS__