WD

Family IDFamily NameForm FactorNote
UW8ARIES HC83.5″ SATADual port/Enterprise validation Helium architecture
TDBARIES HC83.5″ SATAHGST-derived high-capacity Helium Enterprise drive
GXCApollo3.5″ SATAModern massive multi-platter consumer storage
MJRKojin_RE3.5″ SATAAdvanced hardware encryption enterprise variant
UL1Kojin3.5″ SATAEnterprise RAID edition optimization
ZUDDraco2.5″ SATADual-head variation of Draco mobile series
AAMDraco2.5″ SATAModern performance mobile architecture
EW0Palmer2.5″ SATAAlternative controller revision of Palmer series
Y0TPalmer2.5″ SATANative USB architecture for WD My Passport
MR8Spyglass 22.5″ SATAUpdated slim native mobile architecture
GX6Spyglass2.5″ SATAAdvanced slim laptop integration layer
G8FMarn5 4K3.5″ SATAAdvanced Format 4K industry transition baseline
C3NPebbleB3.5″ SATAStandard single/dual platter consumer desktop
MK2TresselB3.5″ SATAHigh capacity alternative component framework
BN5TresselB3.5″ SATAModern high capacity mainstream desktop layer
MVLRembrandt3.5″ SATACore generation WD Green/Blue AV drive platform
A25Everest2.5″ SATAHigh density mobile thick form factor
A1YFirebird2.5″ SATAHigh speed 2.5-inch mobile platform
HKTScorpio Blue2.5″ SATAStandard consumer notebook classification
KHSBig Bear3.5″ SATAEarly high-capacity mechanical server storage
A0HBobcat2.5″ SATAThin profile netbook/notebook platform
TK7Helios3.5″ SATAHigh speed enthusiast/workstation base
F3TSaturn3.5″ SATAEnterprise optimization platform
YRATornado 3D3.5″ SATALate tier standard 3.5-inch consumer core
YFATornado 2R3.5″ SATARevised Tornado platform using newer heads
C0ASequoia PMR3.5″ SATAEarly implementation of Perpendicular Recording
SPKDiablo 3D3.5″ SATAPerformance optimizations of Diablo base line
EUZDiablo 3S3.5″ SATAPerformance multi-platter configuration
AX9Diablo 3D3.5″ SATAMainstream multiple platter high capacity desktop
N0YSadle 2D2.5″ SATATwo-disk notebook variant of Sadle series
MVWSadle BK / G62.5″ SATAFamous legacy 2.5-inch architecture variant
A0RMariner2.5″ SATAMainstream laptop architecture
H2BAtlantis3.5″ SATAMassive distribution 500GB/1TB desktop tier
A6BMars3.5″ SATAUbiquitous 3.5-inch early WD Black/Blue series
T2BDragfly42.5″ SATAHigh capacity triple/quad platter laptop line
V9BDragfly32.5″ SATAMainstream high-capacity consumer laptop series
3BBDragfly22.5″ SATASecond generation dense mobile platform
2DYDragfly12.5″ SATAEarly low profile notebook framework
AMCZephyr2.5″ SATAExternal-only native USB variation of Zephyr
SXZZephyr2.5″ SATACommon early-mid generation notebook platform
N20Vivaldi3.5″ SATAPerformance consumer desktop tier
MMMDragon3.5″ SATAStandard high-volume desktop variant
N21Inca2.5″ SATAEarly 2.5-inch dense platform
L6APinclite2.5″ SATAStandard slim notebook series
J2APinclite PA2.5″ IDELate laptop PATA legacy configuration
F0APinnacle3.5″ SATACore mainstream Desktop architecture
ERMTahoe XL3.5″ SATAExpanded capacity enterprise/desktop line
Z8ATahoe 2D3.5″ SATAEnhanced high density dual-disk Tahoe variants
V0ATahoe3.5″ SATAStandard desktop series
1FASumt RE3.5″ SATAMid-era enterprise deployment
ZUBSpider3.5″ SATAEarly high density enterprise series
ZJBHulk3.5″ SATAHeavy enterprise/early high capacity series
T8BManti RE3.5″ SATAEarly enterprise RAID Edition architecture
A1TMercury2.5″ SATAStandard notebook drive family
VATDenali2.5″ SATAEarly laptop architecture utilizing SATA
H1JMalibu2.5″ IDEMid-era parallel ATA 2.5-inch series
HCTScorpio2.5″ IDEFirst-generation Western Digital laptop family
F8UViking / Rigel3.5″ SATAServer/High-end desktop storage
G3ACypress3.5″ SATAPerformance desktop architecture
TAATornado3.5″ SATAEarly Native SATA desktop architecture
UHATornado PATA3.5″ IDEHigh-volume IDE classic Desktop series
MSASabre583.5″ IDE/SATATransition period desktop architecture
MRAUnicorn3.5″ IDELate-stage IDE architecture
HKTTrevino3.5″ IDETraditional 5400/7200 RPM IDE units
HPJEsprit3.5″ IDEHigh-capacity parallel ATA desktop
FJAMammoth3.5″ IDEStandard PATA Caviar generation
ProtegeProtege3.5″ IDEMid-range legacy desktop drives
SpartanSpartan3.5″ IDEEarly budget lower capacity drives
CaviarCaviar3.5″ IDEAncient early WD Desktop models