The Rigol DP832A is the best bench power supply: three channels, 195 W total and $619.00 from Rigol’s US store. The R&S NGC102 (2 channels, 100 W) is #2 and the Siglent SPD4306X, with 4 channels, is #3.
Best overall and best value (lowest maker-published price here)
Rigol DP832A
Best single-channel pick
Rigol DP813A
Best for four outputs
Siglent SPD4306X
Best for high power
B&K Precision 9205B
Best triple output with LAN
B&K Precision 9141
The ranking
1
Rigol DP832A
Answrs VerdictThe best overall pick and the lowest maker-published price on this list.
Channels: 3Max output per channel: 30 V / 3 A (two channels); 5 V / 3 A (third)Total output power: 195 WPrice: $619.00 (USD, Rigol US store)Display: 3.5-inch TFT
The Rigol DP832A has 3 channels (two at 30 V / 3 A and one at 5 V / 3 A), 195 W of total output power and a 3.5-inch TFT, at $619.00 on Rigol’s US store.
Go ifA three-channel bench with 195 W total
Skip ifYou need more than 195 W
Why #1 over #2: Its 195 W and $619.00 price beat the NGC102’s 100 W at USD 1,830.
2
R&S NGC102
Answrs VerdictThe low-noise precision pick.
Channels: 2Max output per channel: 32 V / 5 ATotal output power: 100 WPrice: Starting at USD 1,830Interfaces: USB and LAN standard
The R&S NGC102 has 2 channels at 32 V / 5 A, 100 W total, and USB and LAN as standard, starting at USD 1,830.
Go ifLow-noise two-channel work with LAN control
Skip ifYou need a third channel
Why #2 over #3: It lists USB and LAN as standard, where the HMP2020’s interfaces are optional.
3
Siglent SPD4306X
Answrs VerdictThe four-output programmable pick.
Channels: 4Max output per channel: 30 V / 6 A (channels 2 and 3)Total output power: Not stated for this modelPrice: $1,093.00 (USD, Siglent North America)Interfaces: LAN and USB
The Siglent SPD4306X has 4 channels, with channels 2 and 3 at 30 V / 6 A, LAN and USB, and a listed price of $1,093.00.
Go ifFour independent outputs on one bench
Skip ifYou want a stated wattage for this model
Why #3 over #4: Its $1,093.00 price is below the HMP4040’s USD 3,810 for the same 4 channels.
4
B&K Precision 9141
Answrs VerdictThe 300 W triple-output pick.
Channels: 3Max output per channel: 60 V / 4 ATotal output power: 300 WPrice: $2078 (MSRP, USD)Interfaces: USB and LXI LAN standard, GPIB option
The B&K Precision 9141 has 3 outputs of 60 V / 4 A, 300 W total, USB and LXI LAN as standard, at an MSRP of $2078.
Go ifTriple-output work that needs 300 W and LAN
Skip ifYou are on a tight budget
Why #4 over #5: Its 300 W and standard LAN beat the DP832A’s 195 W.
5
B&K Precision 9205B
Answrs VerdictThe 600 W single-output workhorse.
Channels: 1Max output per channel: 60 V / 25 ATotal output power: 600 WPrice: $1960 (MSRP, USD)Interfaces: USB and RS232
The B&K Precision 9205B is a single 60 V / 25 A output rated 600 W with USB and RS232, at an MSRP of $1960.
Go ifHigh-current single-output testing
Skip ifYou need several outputs
Why #5 over #6: Its 600 W is triple the 9201B’s 200 W.
6
B&K Precision 9201B
Answrs VerdictThe entry model of the 9200B line.
Channels: 1Max output per channel: 60 V / 10 ATotal output power: 200 WPrice: $995 (MSRP, USD)Interfaces: USB and RS232
The B&K Precision 9201B is a single 60 V / 10 A output rated 200 W with USB and RS232, at an MSRP of $995.
Go ifA multi-range single output at a lower price
Skip ifYou need more than 200 W
Why #6 over #7: Its $995 MSRP is below the 9205B’s $1960.
Channels: 1Max output per channel: 20 V / 20 ATotal output power: 200 WPrice: $839.00 (USD, Rigol US store)Display: 3.5-inch TFT
The Rigol DP813A is a single 20 V / 20 A output rated 200 W with a 3.5-inch TFT, at $839.00.
Go ifLow-voltage, high-current loads
Skip ifYou need more than 20 V
Why #7 over #8: Its $839.00 price is under the DP822A’s $879.00, with 200 W against 180 W.
8
Rigol DP822A
Answrs VerdictThe two-channel Rigol.
Channels: 2Max output per channel: 20 V / 16 A (per the maker table)Total output power: 180 WPrice: $879.00 (USD, Rigol US store)Display: 3.5-inch TFT
The Rigol DP822A has 2 channels, 180 W total and a 3.5-inch TFT, at $879.00.
Go ifTwo-channel low-voltage power
Skip ifYou need a third channel
Why #8 over #9: It has a published $879.00 price, while the HMP2020 is price on request.
9
R&S HMP4040
Answrs VerdictThe most powerful four-channel pick.
Channels: 4Max output per channel: 32 V / 10 ATotal output power: 384 WPrice: Starting at USD 3,810Interfaces: USB, LAN, GPIB or RS-232 optional
The R&S HMP4040 has 4 channels at 32 V / 10 A, 384 W total, with USB, LAN, GPIB or RS-232 optional, starting at USD 3,810.
Go ifFour channels of up to 160 W each
Skip ifBudget matters most
Why #9 over #10: Its 384 W is the most of any multi-channel pick here.
10
R&S HMP2020
Answrs VerdictThe two-channel R&S pick.
Channels: 2Max output per channel: 32 V / 10 A (channel 1), 5 A (channel 2)Total output power: 188 WPrice: Price on requestInterfaces: USB, LAN, GPIB or RS-232 optional
The R&S HMP2020 has 2 channels at 32 V (10 A on channel 1, 5 A on channel 2) and 188 W total; Rohde & Schwarz lists its price as on request.
Go ifA two-channel unit with 160 W on channel 1
Skip ifYou need a published price
How we ranked these
We ranked each supply on channels, the maker-stated output per channel and total power, interfaces, and the price each maker publishes. Best value means the lowest price a maker publishes on this list, which is the DP832A at $619.00. Prices are the maker’s own, in USD; where a maker does not publish one we say so. Facts are taken from each maker's own published information; check the official site before you buy.
Questions people ask
What is the best bench power supply?
The Rigol DP832A: three channels, 195 W total, and $619.00 from Rigol’s US store.
Which bench supply on this list has the highest total power?
The B&K Precision 9205B at 600 W, one output of 60 V / 25 A, listed at $1960.
Which picks have four outputs?
The Siglent SPD4306X ($1,093.00) and the R&S HMP4040 (384 W, starting at USD 3,810) each have 4 channels.
Does Rohde & Schwarz publish a price for the HMP2020?
No. Its page says Price on request.
Maker-stated total output power at a glance
R&S NGC102100 W
Rigol DP822A180 W
R&S HMP2020188 W
Rigol DP832A195 W
B&K Precision 9201B200 W
Rigol DP813A200 W
B&K Precision 9141300 W
R&S HMP4040384 W
B&K Precision 9205B600 W
Maker-stated total output power, as published by each maker. Picks without a published figure are left off.
