Is the KF556C40BB-32 ECC memory?

No. It is a non-ECC desktop UDIMM, though the DDR5 chips have on-die ECC.

What speed does the FURY Beast 32GB run at without XMP?

The JEDEC profile is DDR5-4800 CL40-39-39 at 1.1V. The XMP 3.0 profile is DDR5-5600 CL40 at 1.25V.

What rank and organization does it have?

Dual-rank 2Rx8, 4G x 64-bit, 288 pins.

Kingston

Kingston FURY Beast 32GB DDR5-5600 CL40 2Rx8 Non-ECC UDIMM

Name: Kingston FURY Beast 32GB DDR5-5600 CL40 2Rx8 Non-ECC UDIMM
Brand: Kingston
SKU: KF556C40BB-32

MPNKF556C40BB-32

GTIN 740617326567

Kingston FURY Beast KF556C40BB-32 is a 32GB DDR5-5600 CL40 desktop memory module (non-ECC UDIMM) with a heat spreader and Intel XMP 3.0 support.

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Tested, cleaned and graded. Fully functional, with warranty.

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Kingston FURY Beast 32GB DDR5-5600 CL40 2Rx8 Non-ECC UDIMM

KF556C40BB-32 · Refurbished · 1 year warranty

Quantity (units)

Overview

FURY Beast is Kingston's desktop memory line for builders and gamers. The KF556C40BB-32 is a single 32GB DDR5 UDIMM for desktop motherboards, not a server part: it has no module-level ECC, though the DDR5 chips include on-die ECC.

Its rated profile is 5600 MT/s at CL40 (40-40-40) and 1.25V, stored as an Intel XMP 3.0 profile. Without XMP enabled, it falls back to the JEDEC setting of DDR5-4800 CL40-39-39 at 1.1V. The module is dual-rank 2Rx8, organized as 4G x 64-bit, with 288 pins.

A heatsink brings the height to 34.9 mm, so check clearance under large CPU coolers. Operating range is 0 to 85°C.

You can order it New, Refurbished or Used. New and Refurbished come with 1 year or 3 years of warranty; Used comes with 90 days.

Specifications

Kingston KF556C40BB-32 specifications
Manufacturer part number	KF556C40BB-32
Brand	Kingston
ECC	No
Rank / organization	2Rx8
Heatsink	Yes
Height mm	34.9
Pin count	288
Speed	5,600 MT/s
Voltage	1.25 V
On die ecc	Yes
Capacity	32 GB
CAS latency	40
Cas timings	40-40-40
Memory type	DDR5
Module type	UDIMM
Product line	FURY Beast
Jedec profile	DDR5-4800 CL40-39-39 at 1.1V
Operating temp c	0 to 85
Overclock profiles	Intel XMP 3.0
Module organization	4G x 64-bit

Specifications from the manufacturer's datasheet ↗

FAQ

Is the KF556C40BB-32 ECC memory?: No. It is a non-ECC desktop UDIMM, though the DDR5 chips have on-die ECC.
What speed does the FURY Beast 32GB run at without XMP?: The JEDEC profile is DDR5-4800 CL40-39-39 at 1.1V. The XMP 3.0 profile is DDR5-5600 CL40 at 1.25V.
How tall is the module with its heatsink?: 34.9 mm.
What rank and organization does it have?: Dual-rank 2Rx8, 4G x 64-bit, 288 pins.