SSD HP OEM OEM documented
N45477-001

HP SSD N45477-001

HP spare part description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2".

Compatible Business Laptop Models (12)

Devices documented to accept this OEM component. Compatibility from OEM documentation, not bench-tested.

Installation: Not verified

Fits these models

ModelBrandLast checked
HP ProBook 450 G9HP2026-10-29
HP EliteBook 830 G8HP2026-10-29
HP EliteBook 845 G8HP2026-10-29
HP EliteBook 845 G7HP2026-10-29
HP EliteBook 840 G8HP2026-10-29
HP EliteBook 840 G9HP2026-10-29
HP EliteBook 845 G9HP2026-10-29
HP EliteBook 860 G9HP2026-10-29
HP ProBook 440 G9HP2026-10-29
HP EliteBook 650 G9HP2026-10-29
HP EliteBook 640 G9HP2026-10-30
HP ProBook 440 G10HP2026-10-30

HP ProBook 450 G9

Business Laptop Display: 15.6"
View Model →
Fitment Details:

M.2 NVMe SSD; match form factor (2230 vs 2280), capacity and interface. Configuration-specific. Not in the first-edition MSG copy (later/alternate PN; MSG lists 512 GB 2280 as L89745-001). EMPR AU names it for 450 G9. Configuration-specific: 4/8 checked SKUs. Match your product number or the original part number. OEM parts list only; not bench-tested.

Source:HP PartSurfer
Source notes

Saved HP PartSurfer product BOM(s) on box (partsurfer/cache_<SKU>.json, captured before this loop; no new HP fetch, HP OEM cool-down ON). Listed for 4 of 8 checked US product numbers (7P8W4US, 6L1U6US, 6N0K6US, 759J3US; product name "HP ProBook 450 15.6 inch G9 Notebook PC (4D3W8AV)"). HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2". Keyword: Drive. OrderFlag: 1. (via MM-LOOP-051).

HP EliteBook 830 G8

Business Laptop Display: 13.3"
View Model →
Fitment Details:

M.2 2280 NVMe SSD; match capacity and interface. Configuration-specific. PCIe Gen4 x4; not in the MSG copy SSD list (later PN). Configuration-specific: 3/8 checked SKUs. Match your product number or the original part number. OEM parts list only; not bench-tested.

Source:HP PartSurfer
Source notes

Saved HP PartSurfer product BOM(s) on box (partsurfer/cache_<SKU>.json, captured before this loop; no new HP fetch, HP OEM cool-down ON). Listed for 3 of 8 checked US product numbers (5B2D9US, 4U4D2US, 4U4D1US; product name "HP EliteBook 830 G8 Notebook PC (26D48AV)"). HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2". Keyword: Drive. OrderFlag: 1. (via MM-LOOP-054).

HP EliteBook 845 G8

Business Laptop Display: 14"
View Model →
Fitment Details:

configuration-specific: 1 of 8 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 521U7US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 521U7US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).

HP EliteBook 845 G7

Business Laptop Display: 14"
View Model →
Fitment Details:

configuration-specific: 2 of 8 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 210Y2US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 210Y2US, 2E1P2US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).

HP EliteBook 840 G8

Business Laptop Display: 14"
View Model →
Fitment Details:

configuration-specific: 2 of 9 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested. Config limit: in the cached HP PartSurfer BOMs this part is listed on 2 of 10 checked product numbers (3V088US, 563N2US); confirm your product number on HP PartSurfer before ordering.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 3V088US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 3V088US, 563N2US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).

HP EliteBook 840 G9

Business Laptop Display: 14"
View Model →
Fitment Details:

configuration-specific: 3 of 8 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested. Config limit: in the cached HP PartSurfer BOMs this part is listed on 3 of 9 checked product numbers (6T836US, 6Z0N8US, 734R5US); confirm your product number on HP PartSurfer before ordering.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 6T836US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 6T836US, 6Z0N8US, 734R5US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).

HP EliteBook 845 G9

Business Laptop
View Model →
Fitment Details:

configuration-specific: 2 of 5 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested. Config limit: in the cached HP PartSurfer BOMs this part is listed on 2 of 5 checked product numbers (715R1US, 71G78US); confirm your product number on HP PartSurfer before ordering.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 715R1US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 715R1US, 71G78US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).

HP EliteBook 860 G9

Business Laptop Display: 16"
View Model →
Fitment Details:

configuration-specific: 1 of 5 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 6W5G0US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 6W5G0US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).

HP ProBook 440 G9

Business Laptop Display: 14"
View Model →
Fitment Details:

configuration-specific: 4 of 8 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 6E1L5US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 6E1L5US, 6L6V3US, 72K86US, 7C2U5US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).

HP EliteBook 650 G9

Business Laptop Display: 15.6"
View Model →
Fitment Details:

configuration-specific: 2 of 5 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested. Config limit: in the cached HP PartSurfer BOMs this part is listed on 2 of 5 checked product numbers (6G9A8US, 6J0A0US); confirm your product number on HP PartSurfer before ordering.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 6G9A8US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 6G9A8US, 6J0A0US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).

HP EliteBook 640 G9

Business Laptop Display: 14"
View Model →
Fitment Details:

configuration-specific: 2 of 5 checked SKUs. No matching MSG supplied. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested. Config limit: in the cached HP PartSurfer BOMs this part is listed on 2 of 5 checked product numbers (6L6V0US, 6Z7U1US); confirm your product number on HP PartSurfer before ordering.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 6L6V0US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 6L6V0US, 6Z7U1US. Saved PartSurfer BOM checked offline 2026-10-30, no HP fetch (via FDY-CX-002).

HP ProBook 440 G10

Business Laptop Display: 14"
View Model →
Fitment Details:

configuration-specific: 3 of 5 checked SKUs. No matching MSG supplied. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested. Config limit: in the cached HP PartSurfer BOMs this part is listed on 3 of 5 checked product numbers (8B3Q5US, 8W870US, 9X804US); confirm your product number on HP PartSurfer before ordering.

Source:HP PartSurfer
Source notes

PartSurfer BOM (saved cache) 8B3Q5US / Drive; HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2"; US product numbers: 8B3Q5US, 8W870US, 9X804US. Saved PartSurfer BOM checked offline 2026-10-30, no HP fetch (via FDY-CX-002).

Fits these models

Summary of the documented fits above (sources on each model card); not bench-tested.

ModelBrandType
HP ProBook 450 G9HPBusiness laptop
HP EliteBook 830 G8HPBusiness laptop
HP EliteBook 845 G8HPBusiness laptop
HP EliteBook 845 G7HPBusiness laptop
HP EliteBook 840 G8HPBusiness laptop
HP EliteBook 840 G9HPBusiness laptop
HP EliteBook 845 G9HPBusiness laptop
HP EliteBook 860 G9HPBusiness laptop
HP ProBook 440 G9HPBusiness laptop
HP EliteBook 650 G9HPBusiness laptop
HP EliteBook 640 G9HPBusiness laptop
HP ProBook 440 G10HPBusiness laptop

Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP PartSurfer

Repair & Bulk Parts Questions

Need a Repair or Bulk Parts Quote?

Repair and bulk parts quotes are not available online yet. Email us with your laptop model and part number.