Alternative to PW640: Better-Value Equivalents in Stock
Comparing the PW640 (PW640 - Dell 6-Cell 56w Battery Lat E5400/E5500 Type Km742) against alternatives? Pro Disk Network stocks 12 similar Dell parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the PW640
| SKU | PW640 |
|---|---|
| Product | PW640 - Dell 6-Cell 56w Battery Lat E5400/E5500 Type Km742 |
| Current price | $166.05 |
| Stock status | In Stock |
| Detail page | View PW640 › |
Alternatives to PW640
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
DTG0V - Dell 9 Cell Li-Ion Battery for LAT E6520 E6420 E5520 E5420 TYPE M5Y0X
SKU: DTG0V
Price: $202.24
0DTG0V - Dell 9 Cell Li-Ion Battery for LAT E6520 E6420 E5520 E5420 TYPE M5Y0X
SKU: 0DTG0V
Price: $202.24
Dell 345-BJYJ is a 960GB M.2 2280 PCIe Gen4 x4 NVMe SSD with 3D TLC NAND flash, optimized for read-intensive enterprise workloads in Dell PowerEdge servers. It delivers high-speed storage with low lat
SKU: 345-BJYJ
Price: $1,881.58
469-4033 - Dell 90-Watts 3-Prong Slim AC Adapter for Inspiron/LAT/VOS/XPS Laptop Power Cable not Included
SKU: 469-4033
Price: $107.97
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.