Gallium · FV-GL-S4

Gallium S4

Same partner cubes, organic package. Not first silicon.

Scale-down SKU

Editorial render of a partner HBM cube stack. Not a pinout.

Editorial 16-high partner cube. FairView does not claim the 1T1C array.

Public product lock. Empty JEDEC timings are omitted on purpose.
ParameterValue
SKUFV-GL-S4
AttachJESD330-4 organic substrate
Attach modejesd330_4
External DQ512 bits
Pin / identity rate4:1 serialization. Identity rate 32 GT/s ↔ 2.048 TB/s
Bandwidth / stack2.048 TB/s
First package cubes8
First package bandwidth16 TB/s
Stack height16-hi
Die density32 Gb
Capacity / cube64 GB (= 16 × 32 / 8)
Capacity / package512 GB
Channels / pseudo-channels32 / 64
tCKn/a (serialized attach)
tRFC / tREFInot in pack — do not invent
VDDQ / VDDClegal option sets only; no selected rail

What this SKU is not

Not a Samsung 11.7 Gbps bin. Not 3.3 TB/s. Not a FairView DRAM factory. SPHBM4 46 GT/s is press-only and is not listed as a FairView lock.

All Gallium SKUsDesign-in
FV-GL-S4 Gallium S4