What is third-party maintenance (TPM)?

Independent post-warranty hardware support for servers, storage and networking — an alternative to renewing with the manufacturer. Here is how TPM works, exactly what it covers, and when it is (and isn't) the right call.

Third-party maintenance is hardware break-fix support delivered by an independent provider rather than the original equipment manufacturer. It exists because OEM support is priced at list, tied to fixed tiers, and withdrawn the moment a platform reaches end-of-service-life. TPM keeps the same kit running — usually for considerably less, across every vendor under one contract.

Annual saving range (Gartner 50–70% band) by current OEM support spend. Indicative.

Example £60,000/yr OEM support versus independent third-party maintenance. Indicative.

How third-party maintenance extends supported life past OEM end-of-service-life.

Model your own saving in the calculator →

Figures are indicative estimates shown as a range, based on the Gartner 50–70% saving band applied to an example spend, and confirmed by a free Servnet support audit — not a quotation. Third-party maintenance covers hardware break-fix and defers refresh; it does not supply software or firmware security patches.

How TPM actually works

An independent maintainer runs its own UK parts depots and directly employed field engineers, rather than routing you through a manufacturer's call centre. When hardware fails, they diagnose the fault, dispatch a certified spare — DIMMs, PSUs, drives, controllers, backplanes, system boards — from local stock, and put an engineer on site to the SLA you chose. That is the same operational model behind Dell ProSupport or HPE Tech Care break-fix, just delivered independently and priced per device rather than per OEM tier.

What TPM covers — and what it does not

TPM covers hardware break-fix: fault diagnosis, advance replacement spares, on-site engineering and a contracted SLA (next-business-day, 4-hour or same-day) across servers, storage and networking. What it does not include is software. OEM firmware, feature updates and security patches stay with the manufacturer, gated behind an active entitlement — HPE SPP downloads, Cisco IOS-XE and PSIRT advisories via SWSS or DNA, Dell BIOS/iDRAC packages. An honest provider tells you where that split matters.

The benefits, and when TPM is (or isn't) right

Three things drive most moves to TPM: cost that undercuts OEM renewal pricing; a single multi-vendor contract spanning Dell PowerEdge, HPE ProLiant DL and Synergy, Cisco Catalyst and Nexus, NetApp FAS/AFF and PowerVault ME5; and EOSL extension that keeps a platform covered for years after the OEM drops it. It fits reliable, out-of-warranty kit where you want to control the refresh timetable. It fits less well where a device genuinely needs ongoing vendor security patching — there, a refresh or targeted software entitlement is the honest answer.

FAQs

What is third-party maintenance in simple terms?

Third-party maintenance (TPM) is independent hardware support for servers, storage and networking, provided instead of the manufacturer's own post-warranty programme such as Dell ProSupport, HPE Tech Care or Cisco SmartNet. An independent maintainer runs its own spares depots and engineers, covering the same break-fix outcomes — diagnosis, parts and on-site repair — typically at a much lower cost.

Does TPM include software updates and security patches?

No — this is the honest boundary. TPM covers hardware only: faults, spares and on-site fixes to an SLA. OEM firmware, feature releases and security patches stay with the manufacturer behind an active entitlement, such as HPE's Service Pack for ProLiant or Cisco IOS updates and PSIRT advisories via SWSS or DNA. Where a device needs ongoing patching, we advise keeping only that software entitlement.

When should I not use third-party maintenance?

TPM is the wrong choice when hardware is still inside a productive OEM warranty, or when a platform genuinely depends on continuous vendor security patching for compliance. In those situations refreshing the kit, or retaining a targeted software subscription alongside independent hardware cover, is more appropriate. A good provider maps the split honestly rather than pushing everything to TPM regardless of fit.

How we work these figures out

Saving band: Gartner, "Market Guide for Data Center and Network Third-Party Hardware Maintenance", 29 Aug 2019 (ID G00414695) — TPM contracts save 50–70% off OEM support NET prices. IDC (2022) separately reports savings of up to ~50% vs OEM. Reports are dated; net-price basis (not off-list).
Optional spend estimator seeds ONE editable per-device figure anchored to HPE-published post-warranty Tech Care pricing (buy.hpe.com, captured 2026-07-04, ~$1,700/yr → £ at 0.74). Non-HPE OEM support pricing is quote-gated — enter your own renewal figure.
EOSL life extension: TPM providers report 3–5 (up to 7) additional supported years past OEM end-of-service-life; indicative.
All figures are indicative estimates shown as a range and confirmed by a free Servnet support audit — not a quotation. TPM covers hardware break-fix and defers refresh; it does NOT supply software/firmware security patches.