Canadian Solar TOPHiKu6 455
#9 in 150 W and upFull review
A low-cost all-black panel from a top-tier maker for a home rooftop, especially in snowy areas. Confirm stock before planning around it.
Solar Cellz USA $241.45$241.45
The Canadian Solar TOPHiKu6 455 is the better rigid solar panel overall, rated 4.5 to 4.4. The Canadian Solar TOPHiKu6 455 leads on value. The Canadian Solar TOPHiKu6 455 costs $44.21 less ($241.45 vs $285.66).
REC Alpha Pure-RX 460
#14 in 150 W and upFull review
A premium heterojunction panel for a home rooftop where space is tight and long-term output matters most. Check that your inverter or microinverters accept its higher voltage.
A1 Solar Store $285.66 The Solar Store $339.95 US Solar Supplier $349.99 Solar Cellz USA $369.59$285.66
Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Canadian Solar TOPHiKu6 455 for value ($0.53 per rated watt vs $0.62 per rated watt).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 150 W and up rigid solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Canadian Solar TOPHiKu6 455 | REC Alpha Pure-RX 460 |
|---|---|---|
| Overall rating | 4.5/5 | 4.4/5 |
| Value 45% | 92 $0.53 per rated watt | 84 $0.62 per rated watt |
| Tested output 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Durability 25% | 100 IP68, 25-year warranty | 100 IP68, 20-year warranty |
| Efficiency 15% | 86 22.3% module efficiency | 82 22.1% module efficiency |
Specifications
| Canadian Solar TOPHiKu6 455 | REC Alpha Pure-RX 460 | |
|---|---|---|
| Output | ||
| Rated power | 455 W | 460 W |
| Module efficiency | 22.3% | 22.1% |
| Claimed efficiency | 22.8% ("module efficiency up to 22.8%" (465 W version); the 455 W version is 22.3%) | 22.6% ("22.6% max efficiency" is the 470 W version's panel efficiency; the 460 W version is 22.1%) |
| Cells | Monocrystalline (N-type TOPCon, 108 half cells) | Monocrystalline (Heterojunction (HJT), 88 half-cut cells, gapless layout) |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 39.1 V | 65.7 V |
| Voltage at max power (Vmp) | 33.2 V | 54.9 V |
| Short-circuit current (Isc) | 14.6 A | 8.9 A |
| Current at max power (Imp) | 13.7 A | 8.4 A |
| Voc temperature coefficient | -0.2%/°C | -0.2%/°C |
| Series / parallel | Yes | Yes |
| Connections | ||
| Output connector | T6, MC4, MC4-EVO2 or MC4-EVO2A | Stäubli MC4 (PV-KBT4/KST4) |
| Build | ||
| Weight | 50.7 lb (23 kg) | 50 lb (22.7 kg) |
| Dimensions | 70.9 x 44.6 x 1.38 in | 68.0 x 47.4 x 1.2 in |
| Frame | anodized aluminum alloy, black | black anodized aluminum |
| Glass | 3.2 mm tempered, anti-reflective coating | 0.13 in (3.2 mm) solar glass with anti-reflection surface treatment |
| Junction box rating | IP68 | IP68 |
| Warranty | 25 years | 20 years |
| Output warranty | 30-year linear: no more than 1% loss in year 1, then no more than 0.4% a year | 25 years: at least 98% in year 1, then no more than 0.25% loss a year (92% at 25 years) |
| Released | - | 2023-09 |