Alternative to KSY-U101-51: Better-Value Equivalents in Stock
Comparing the KSY-U101-51 (Kingston KSY-U101/51 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 172-Pin Micro-DIMM Memory Module) against alternatives? Pro Disk Network stocks 12 similar Kingston 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 KSY-U101-51
| SKU | KSY-U101-51 |
|---|---|
| Product | Kingston KSY-U101/51 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 172-Pin Micro-DIMM Memory Module |
| Current price | $200.63 |
| Stock status | In Stock |
| Detail page | View KSY-U101-51 › |
Alternatives to KSY-U101-51
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.
Kingston KSY-GRX500/512 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KSY-GRX500-512
Price: $109.55
Kingston KSY-V505/512 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KSY-V505-512
Price: $117.92
Kingston KTS7066/512 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTS7066-512
Price: $108.66
Kingston KTH-LJ4650/512 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTH-LJ4650-512
Price: $108.66
Kingston KTH-LJ4730/512 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTH-LJ4730-512
Price: $108.66
Kingston KTD-INSP8200/512 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTD-INSP8200-512
Price: $109.55
Kingston KTT3614/512I 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTT3614-512I
Price: $109.55
SOT64X64D266SC25 - Kingston 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: SOT64X64D266SC25
Price: $109.55
Kingston KTD-INSP8200/512-G 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTD-INSP8200-512-G
Price: $109.55
Kingston KTH-OB6200/512 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTH-OB6200-512
Price: $109.55
Kingston KTD-INSP820/512 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTD-INSP820-512
Price: $109.55
Kingston KTC-P2800/512 512MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KTC-P2800-512
Price: $109.55
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.