All Posts by Date or last 15, 30, 90 or 180 days.
also by Lloyd: diglloyd.com photography and WindInMyFace.com

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...
$348 $298
SAVE $50

$170 $120
SAVE $50

$300 $175
SAVE $125

$989 $869
SAVE $120

$400 $310
SAVE $90

$1470 $1299
SAVE $171

$322 $242
SAVE $80

$1470 $1299
SAVE $171

$180 $140
SAVE $40

$500 $275
SAVE $225

$180 $156
SAVE $24

$130 $100
SAVE $30

$3498 $2998
SAVE $500

$1699 $1149
SAVE $550

$280 $230
SAVE $50

$1899 $1499
SAVE $400

$4499 $3499
SAVE $1000

$2198 $1998
SAVE $200

$3998 $3498
SAVE $500

$1799 $1699
SAVE $100

$18599 $16599
SAVE $2000

$1149 $849
SAVE $300

$650 $450
SAVE $200

$199 $119
SAVE $80

$280 $200
SAVE $80

$1399 $1049
SAVE $350

$1199 $779
SAVE $420

$250 $220
SAVE $30

$1699 $1149
SAVE $550

$195 $125
SAVE $70

$79 $49
SAVE $30

$120 $30
SAVE $90

$198 $148
SAVE $50

$3899 $1499
SAVE $2400

$2999 $1999
SAVE $1000

$1699 $849
SAVE $850

$1698 $1198
SAVE $500

$1149 $849
SAVE $300

$1399 $1049
SAVE $350

$1498 $998
SAVE $500

$2797 $2497
SAVE $300

$280 $230
SAVE $50

$799 $449
SAVE $350

$899 $549
SAVE $350

$420 $170
SAVE $250

$1699 $1149
SAVE $550

OWC Thunderblade Thunderbolt 3 SSD

Blazing fast, up to 16TB.

YEE HAH!



√ No more slow and noisy hard drives!

MacBook Air Solid State Drive (SSD) Performance

Further below is how the 251GB MacBook Air solid state drive (SSD) performs over 95% of its capacity (an 11GB system was installed).

Actual capacity is not 256GB!

Apple is not truthful about the SSD capacity; it formats to less than 250.66GB, yet is advertised as a 256GB drive.

Most likely the missing 5+ gigabytes are used for some internal housekeeping. But if that were the case, then OWC could call their 400GB drive a 512GB, their 200GB a 256GB, etc.

I consider this false and misleading advertising, even if the difference is only 2%.

The first thing I did was to wipe out the Apple system install, and install a minimal one, which totalled about 9.22GB.

Performance on the Apple SSD is outstanding compared to hard drives, which at their best would top out at about 100MB/sec and then steadily decline (read Why You Need More Space Than You Need). But the performance is below that of top-grade SSDs, like the OWC Mercury Extreme Pro.

Note the regular downward spikes in performance due to some kind of internal housekeeping. This is with a brand-new drive; of some concern is how well it holds up over time. See my Severe Duty Test of the Apple 512GB SSD.

The 251GB SSD in the MacBook Air appears to perform a bit less well than the 512GB (500GB) SSD offered for the Mac Pro. But both drives show the same pattern of regular downward spikes, including a nasty glitch at about the half-way mark. How well this SSD will hold up over time remains to be seen. I won’t be toasting mine in any severe duty test.

Performance of the Apple 256GB (251GB) SSD in the Apple MacBook Air
OWC Accelsior 4M2 PCIe SSD
6000 MB/sec!
Mac or PC.


Ideal for Lightroom, Photoshop, video.
Capacity up to 16TB!
OWC Envoy Express

World’s first Thunderbolt 3 M.2 NVME SSD enclosure.

Super fast, bus-powered, 3.3 oz, DIY easy, rugged and compact!


See also OWC Express 4M2
√ No more slow and noisy hard drives!
OWC Envoy Pro EX SSD
Blazingly fast Thunderbolt 3 SSD!

Up to 4TB capacity, USB-C compatible.

USB-C model also available


Great for travel or for desktop!

Deals Updated Daily at B&H Photo
View all handpicked deals...

Lexar 128GB Professional 2000x UHS-II SDXC Memory Card
$170 $120
SAVE $50

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__