P53553-B21 — HPE 20TB 7200RPM SAS 3.5-Inch Hard Drive
MPN: P53553-B21|By: HPE

Starting from
$1,770
Indicative — final pricing confirmed with your quote.
In Stockships worldwide
- Condition:
- New — authorized channel
- Warranty:
- Full manufacturer warranty
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Bulk order? Request volume pricing
Product overview
P53553-B21 is an HPE 20TB 7200RPM SAS 3.5-Inch hard Drive. Rebuild time scales with capacity, so a large drive in a parity group is a longer window of exposure — this one spins at 7200RPM. Tell us the RAID level and group size and we will say plainly whether the geometry still makes sense.
Send the quantity you need and we will come back within 48 business hours with availability confirmed, not estimated.
Featuring
- Capacity
- 20TB
- Manufacturer
- HPE
Interfaces / Ports
- Rotational Speed
- 7200RPM
- Drive Interface
- SAS
Physical characteristics
- Form Factor
- 3.5-Inch
- Product Type
- Server Hard Drives
- Expedited shipping options are available — rates confirmed with your quote.
- Purchase orders accepted from qualified institutions.
- Compatibility is validated against your server platform before dispatch. Send us the model and we will confirm support.
Published specifications for P53553-B21. Anything not listed here we will confirm against the manufacturer's documentation before quoting — we would rather answer the question than let you assume.
Where the HPE P53553-B21 is deployed
- Like-for-like replacement of P53553-B21 in an existing system
- Rebuilding a parity group after a drive failure
- Growing bulk capacity in an existing disk shelf
Who this part is for
- IT teams swapping a failed drive in a live parity group
- Procurement replacing drives out of a maintenance contract
- Teams standardising a mixed drive estate onto one firmware family
What you get ordering this from us
Ordered by part number
Quoted and supplied against P53553-B21 specifically, so what arrives is what your build sheet asks for.
Spares held to a fleet standard
Tell us the chassis you run and we will keep the spare consistent with what is already in the shelf.
Answered by a human
A quote comes back with the reasoning attached, including the cases where we think you should buy something else.
Questions buyers ask about this part
- Is P53553-B21 genuine and is the warranty intact?
- Yes. It ships new in HPE packaging, which is what keeps the warranty and the firmware entitlement valid. Anything we cannot supply that way we tell you about before you order.
- Will P53553-B21 work in my server?
- Send the server model or the shelf it is going into. Vendor-keyed firmware is the usual reason an identical-looking drive is rejected, so we check that alongside interface and form factor.
- Do you accept purchase orders and quote at volume?
- Yes. Purchase orders are accepted from qualified organisations, net terms are available on approval, and tiered pricing applies at quantity. Tell us how many you need.
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Specifying a system, not just the part?
Bulk capacity usually sits behind the flash tier that feeds a training cluster rather than under it.
