# 4084 — FIPS 140 validated cryptographic modules: active, historical or revoked

For 4084, vendor is Western Digital Corporation; module name is Ultrastar DC HC550 TCG Enterprise HDD; module type is Hardware; validation date is 11/30/2021 02/05/2022 04/14/2022 11/07/2022 01/27/2023 08/31/2023 11/01/2024; status is Active, verified against its source on 2026-08-05.

- **Certificate number:** 4084 _(verified: appears in the quote below)_
- **Vendor:** Western Digital Corporation _(verified: appears in the quote below)_
- **Module name:** Ultrastar DC HC550 TCG Enterprise HDD _(verified: appears in the quote below)_
- **Module type:** Hardware _(verified: appears in the quote below)_
- **Validation date:** 11/30/2021 02/05/2022 04/14/2022 11/07/2022 01/27/2023 08/31/2023 11/01/2024 _(verified: appears in the quote below)_
- **Status:** Active _(verified: appears in the quote below)_
- **Standard:** FIPS 140-2 _(verified: appears in the quote below)_

## What the source says

> 4084 | Western Digital Corporation | Ultrastar DC HC550 TCG Enterprise HDD | Hardware | 11/30/2021 02/05/2022 04/14/2022 11/07/2022 01/27/2023 08/31/2023 11/01/2024 | Active |

## Source

- https://csrc.nist.gov/Projects/cryptographic-module-validation-program/validated-modules/Search?SearchMode=Advanced&Standard=140-2&CertificateStatus=Active&ValidationYear=0

Last verified: 2026-08-05. Review by: 2026-09-04.
Part of [FIPS 140 validated cryptographic modules: active, historical or revoked](https://referencesource.org/fips-140-module-validation-status/).