Alternative to D512X42OPT: Better-Value Equivalents in Stock
Comparing the D512X42OPT (D512X42OPT - PNY 512MB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory Module) against alternatives? Pro Disk Network stocks 12 similar 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 D512X42OPT
| SKU | D512X42OPT |
|---|---|
| Product | D512X42OPT - PNY 512MB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory Module |
| Current price | $79.36 |
| Stock status | In Stock |
| Detail page | View D512X42OPT › |
Alternatives to D512X42OPT
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.
PNY K-DIMM1GBN/4300/2-BX 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory
SKU: K-DIMM1GBN-4300-2-BX
Price: $150.79
MD1024KD2-533 - PNY 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory
SKU: MD1024KD2-533
Price: $150.79
D21GX43OPT - PNY 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory
SKU: D21GX43OPT
Price: $150.79
MN0512SD2-533 - PNY 512MB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 200-Pin SoDimm Single Rank Memory Module
SKU: MN0512SD2-533
Price: $87.55
PNY K-SODI1GBN/4300/2-BX 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 200-Pin SoDimm Single Rank Memory
SKU: K-SODI1GBN-4300-2-BX
Price: $166.33
64A0TFTHE-533 - PNY 1GB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Single Rank Memory Module
SKU: 64A0TFTHE-533
Price: $81.80
PNY DIMM101GBN/4300/2-BX 1GB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory Module
SKU: DIMM101GBN-4300-2-BX
Price: $81.80
6432WDTHE8G - PNY 256MB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory Module
SKU: 6432WDTHE8G
Price: $88.41
MD1024SD2-533 PNY 1GB PC2-4200 DDR2-533MHz non-ECC Unbuffered CL4 240-Pin DIMM 1.8V Dual Rank Memory Module
SKU: MD1024SD2-533
Price: $89.70
MD1024SD2-533-A1 - PNY 1GB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory Module
SKU: MD1024SD2-533-A1
Price: $89.70
PNY K-DIMM2GBN/4300/2-BX 2GB Kit (2 X 1GB) DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory
SKU: K-DIMM2GBN-4300-2-BX
Price: $170.45
Kingston KFJ2888/512MB 512MB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM Memory Module
SKU: KFJ2888-512MB
Price: $80.79
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.