Power supply · Voltaic
Voltaic QuietRail 650
Voltaic QuietRail 650 is a 650 W ATX unit with 80 plus gold efficiency, 3 8-pin PCIe connectors and 0 native 12V-2x6 connectors, 140 mm deep with a zero-RPM fan mode.
Best for
- Mid-range builds where the graphics card stays under 250 W
- Quiet builds — the fan stays stopped at desktop load
Main trade-offs
- 140 mm deep, which matters in compact chassis
- No native 12V-2x6 connector for the newest cards
Lowest sample total
$94
Across 3 demo retailer offers including shipping. 1.1% below the sample-window median.
- Offers
- 3
- Updated
- Jul 28, 2026
2 in stock
Data version qgem5pedi9m3
Retailer offers
Retailer offers
Ranked by delivered total, stock and data freshness. Commission never affects this order.
| Retailer | Price | Shipping | Total | Availability | Open retailer |
|---|---|---|---|---|---|
| Atlas ComponentsBest totalNo affiliate linkSample feed30-day returns · observed 4 d ago | $93.99 | Free | $93.99 | In stock | Go to store |
| BitForge SupplyAffiliate partnerSample feed14-day returns · observed 4 d ago | $95.99 | $4.99 | $100.98 | In stock | Go to store |
| Nordic PartsAffiliate partnerSample feed30-day returns · observed 4 d ago | $92.99 | $7.99 | $100.98 | Low stock | Go to store |
Sample data — illustrative fixture prices from a demo feed, not live retailer quotes. We are not the seller and take no payment. How offers are verified.
Price history
Lowest observed sample total per observation date, 9 points.
- Lowest
- $92
- Highest
- $101
- Median
- $95
- Current best
- $94
Dashed line marks the median of the sample window. All values are illustrative fixture data.
Normalized specifications
Canonical values after unit normalization. Fields used by the compatibility engine are marked.
- Continuous powercompat
- 650 W
- Form factorcompat
- ATX
- Efficiency
- 80 PLUS Gold
- Cabling
- Fully modular
- 8-pin PCIe connectorscompat
- 3
- 12V-2x6 connectorscompat
- 0
- 12V-2x6 adapter in box
- Yes
- Depth
- 140 mm
- Zero-RPM fan mode
- Yes
- Acoustic index (lower is quieter)
- 24
Compatibility
Every pairing below was evaluated by the same rule engine the builder uses.
Case
5 of 6 compatibleWorks with Meridian Atlas A4, Meridian Compact C3, Meridian Forge F9 and 2 more.
Meridian Nano N2 accepts SFX power supplies, not ATX.
Graphics card
8 of 8 compatibleWorks with Cinder CX-7600, Cinder CX-7800 XT, Cinder CX-7900 XTQ and 5 more.
Nimbus NX-4080 Titanis needs a 12V-2x6 plug that Voltaic QuietRail 650 does not provide natively. Use the bundled adapter and connect 2 separate 8-pin PCIe cables.
Nimbus NX-4090 Ultra needs a 12V-2x6 plug that Voltaic QuietRail 650 does not provide natively. Use the bundled adapter and connect 2 separate 8-pin PCIe cables.
Provenance
Every canonical value carries the source it came from, when it was retrieved and how confident we are.
| Field | Source | Retrieved | Confidence |
|---|---|---|---|
adapter12v2x6Included | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
adapter12v2x6Requires8Pin | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
depthMm | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
efficiencyRating | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
formFactor | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
modularity | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
noiseIndex | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
pcie12v2x6Connectors | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
pcie8PinConnectors | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
wattage | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
zeroRpmMode | Manufacturer product database (demo) | Jul 28, 2026 | 95% |
Demo product
Voltaic QuietRail 650 is a fictional model created for this demonstration catalog. Its specifications are internally consistent so the compatibility and scoring engines can be exercised, but it does not describe a real product.