Alternative to 1818D1A: Better-Value Equivalents in Stock
Comparing the 1818D1A (1818D1A - IBM EXP5000 Expansion Unit 2x Power Supply 2x Controller 2x ESM Fiber Channel with Rails) against alternatives? Pro Disk Network stocks 12 similar IBM 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 1818D1A
| SKU | 1818D1A |
|---|---|
| Product | 1818D1A - IBM EXP5000 Expansion Unit 2x Power Supply 2x Controller 2x ESM Fiber Channel with Rails |
| Current price | $190.16 |
| Stock status | In Stock |
| Detail page | View 1818D1A › |
Alternatives to 1818D1A
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.
2076-224-C3-06 - IBM Storwize V7000 Disk Expansion Enclosure - 23x 146GB SAS HDD - 1x 300GB SAS HDD - 2x ESM Controller - 2x PSU
SKU: 2076-224-C3-06
Price: $393.95
2076-224-C2-07 - IBM Storwize V7000 Disk Expansion Enclosure - 10x 146GB SAS HDD - 14x 300GB SAS HDD - 2x ESM Controller - 2x PSU
SKU: 2076-224-C2-07
Price: $393.95
2076-224-C1-07 - IBM Storwize V7000 Disk Expansion Enclosure - 21x 300GB SAS HDD - 2x ESM Controller - 2x PSU
SKU: 2076-224-C1-07
Price: $393.95
2863-2021 - IBM Fiber Channel Expansion to Expansion Cable 0.5m Fiber Optic for Network Device 1.60 ft
SKU: 2863-2021
Price: $74.99
90P1352 - IBM Fiber Channel 2GB/s ESM San Switch for TotalStorage Fast EXP700
SKU: 90P1352
Price: $99.87
1727HC1 - IBM System storage EXP3000, 12bays (SAS), 0 GB HDD, 4GB Fibre Channel, 2U Rack, Single ESM, 2 x Power Supply
SKU: 1727HC1
Price: $117.20
41Y5151 - IBM Enclosure Services Manager (ESM) Controller for EXP810 DS4000
SKU: 41Y5151
Price: $128.95
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.