PNY
Optima 4GB (2x2 GB) DDR2 800 MHz PC2-6400 Desktop DIMM Memory Module Dual Channel Kit - MD4096KD2-800
At $31.25/GB — Unknown market rate.
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At a Glance
Limitations
- −209% above the overall Unknown market average $/GB
- −Limited price history — recently added to tracking, trends not yet available
All points are derived from price data, customer ratings, and product specifications — not editorial opinion. Updated daily.
Is This RAM Right for You?
Based on 4GB (2x2) Unknown DIMM specifications.
4GB is below the 16GB minimum recommended for gaming in 2026
4GB is below the recommended minimum for comfortable everyday use
4GB is insufficient for video editing or 3D rendering workloads
Non-ECC RAM is not recommended for servers or NAS — silent data corruption risk without error correction
This is a desktop DIMM — laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.
Verdicts based on capacity, form factor, and ECC specifications — not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price History
Updated daily — track price trends over time
Speed Ranking
Top 44%
800MHz ranks in the top 44% of all Unknown speeds tracked (30 modules).
Specifications
| Memory Type | Unknown |
| Capacity | 4GB (2x2) |
| Speed | 800MHz |
| Form Factor | DIMM |
| ASIN | B001ISJ964 |
Unknown Price by Capacity
Average $/GB across all Unknown modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $7.82/GB |
| 16GB | $13.09/GB |
| 32GB | $15.88/GB |
| 64GB | $40.42/GB |
Upgrade Cost Calculator
How much more (or less) would you spend to step up or down in capacity? Prices shown are the cheapest available Unknown DIMM in each tier today.
Current
4GB
$125.00
$31.25/GB
Prices are the lowest available in each tier from our daily database — verify on Amazon before purchasing. Only Unknown DIMM modules compared.
Also available from PNY
Same brand, different configurations
PNY
Memory Master 4 GB (2 x 2GB) DDR2 800 MHz PC2-6400 Desktop DIMM Memory Modules MMD4096KD2-800
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Optima MD2048SD2-800 2GB DDR2 800 MHz CL 5-5-5-15 PC2-6400 Desktop DIMM Memory Module
PNY
Memory Master 1 GB DDR 400MHz PC3200 Desktop DIMM Memory Module (MMD1024SD1-400)
Related pages
Frequently Asked Questions
Is the PNY 4GB (2x2) 800MHz Unknown compatible with my motherboard?
Compatibility depends on your motherboard's supported memory type (Unknown), speed, and capacity. Check your motherboard manufacturer's QVL list to confirm this module is validated for your specific board.
Is this Unknown module a good deal right now?
At $125.00 ($31.25/GB), this module is priced near the Unknown market average. Check the price history chart above to see if prices have been trending up or down recently.
What is 800MHz RAM used for?
This RAM module is designed for desktop PC systems. Check your system's specifications to confirm compatibility before purchasing.
How does PNY RAM compare to other brands?
PNY has 38 modules tracked with an average customer rating of 4.4★. Browse all PNY modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
Similar Unknown RAM
PNY
Memory Master 4 GB (2 x 2GB) DDR2 800 MHz PC2-6400 Desktop DIMM Memory Modules MMD4096KD2-800