4X20F28579: Lenovo 550-Watts Power Supply For ThinkServer RD350
MPN: 4X20F28579|By: Lenovo
Starting from
$230
Indicative. Final pricing is confirmed with your quote.
In Stockships worldwide
- Condition:
- New (authorized channel)
- Warranty:
- Full manufacturer warranty
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Bulk order? Request volume pricing
Authorized & warrantied
Sourced through authorized distribution, with the full manufacturer warranty.
Compatibility checked
Validated against your server platform before dispatch.
Delivery & lead time
Confirmed with your quote, including expedited freight where available.
Business & public sector
POs, net terms and volume pricing for qualified organizations, government and edu.
Product overview
Part number 4X20F28579 identifies this Lenovo 550-Watts power Supply for ThinkServer RD350. Headroom matters more than the label wattage once GPUs or a full drive bay are in the chassis. This supply is rated 550W. Tell us the configuration and we will work the draw out rather than guess at it.
Tell us the deadline you are working to and we will say whether it is achievable before you commit to it internally.
Specifications
General
- Manufacturer part number
- 4X20F28579
- Product Type
- Power Supplies
- Manufacturer
- Lenovo
Technical specifications
- Power Rating
- 550W
Compatibility & compliance
- Compatible Platform
- ThinkServer RD350
Published specifications for 4X20F28579. Anything not listed here we will confirm against the manufacturer's documentation before quoting, because we would rather answer the question than let you assume.
Where the Lenovo 4X20F28579 is deployed
- Swapping out a failed power supply for 4X20F28579 under change control
- Re-rating power after adding accelerators or drives
- Adding a second supply to a chassis shipped with one
Who this part is for
- Teams re-rating power after adding GPUs or a full drive complement
- Engineers adding a second supply to a chassis shipped with one
- MSPs holding a matched PSU spare per chassis family
What you get ordering this from us
Ordered by part number
The order is placed against 4X20F28579, not against a description of it, so there is no room for a substitution you did not agree to.
No substitutions without asking
If we cannot supply the exact code we tell you what we can supply and why, rather than shipping an equivalent and letting you find out.
Volume pricing
The listed price is per unit; tiered pricing applies at quantity and purchase orders are accepted.
Questions buyers ask about this part
Is 4X20F28579 genuine and is the warranty intact?
Yes. Supplied new and unopened, so the manufacturer warranty and firmware update path stay supported. No grey-market stock and no refurbished units sold as new.
Will 4X20F28579 work in my server?
Send the server model and the part number of the supply already fitted. In a redundant pair both units have to match on wattage and efficiency grade, or the chassis alerts on every boot.
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.
Compare other Power Supplies we stock
| Model | Brand | Key spec | Availability | From |
|---|---|---|---|---|
| Dell 495W Hot-Plug Redundant Power Supply for PowerEdge Rack Servers | Dell Technologies | Efficiency: 80 PLUS Platinum | In Stock | $175 |
| HPE 500W Flex Slot Platinum Hot-Plug Power Supply for ProLiant Servers | HPE | Efficiency: 80 PLUS Platinum | In Stock | $190 |
| Supermicro 1200W Redundant Titanium Hot-Swap Power Supply Module | Supermicro | Efficiency: 80 PLUS Titanium | In Stock | $415 |
| IBM 550W 80 PLUS Platinum Hot-Plug Server Power Supply | IBM | Wattage: 550W | In Stock | $100 |
| HP 460W 80 PLUS Gold Hot-Plug Server Power Supply | HP | Wattage: 460W | In Stock | $60 |
| Delta Electronics 800W 80 PLUS Titanium Hot-Plug Server Power Supply | Delta Electronics | Wattage: 800W | In Stock | $125 |
Browse all Power Supplies or everything we stock from Lenovo.
Specifying a system, not just the part?
An accelerated node draws far more than a general-purpose server, so power is sized with the build rather than assumed from the chassis.