Newegg PSU Wattage Calculator

Intelligently collects component information through adaptive menus, then calculates total wattage via live Newegg CPU/GPU wattage tables + fixed tables.

scripts/calculate_psu.py

fetches the CPU and GPU wattage tables from the

website-www-tool

endpoint (

apis.newegg.com/ex-mcp/...

, stateless JSON-RPC, no auth) and sends

x-skill: newegg-psu-calculator

on every request. Nothing to install or register; if a fetch fails the script degrades to a warning in

warnings[]

rather than guessing a wattage.

Core principle: Be smart about what to ask. If the user already mentioned components, skip those questions. Combine remaining unknowns into as few

AskUserQuestion

calls as possible. Vary question wording based on context.

Phase 0 — Parse the user's message first

Before asking anything, extract whatever components the user has already mentioned:

CPU model or brand → mark as known
GPU model or brand → mark as known
RAM size/type → mark as known
Storage config → mark as known
Any other component mention → note it

Then proceed to collect only the missing information.

Examples of smart extraction:

"I have a Ryzen 7 9800X3D and RTX 5080" → CPU ✓ GPU ✓, only ask RAM + storage
"I'm thinking about an RTX 4090, haven't decided on the rest" → GPU ✓, ask CPU + RAM + storage
"No idea what PSU I need" → ask everything
"i9-14900K + 64GB DDR5 + 2 SSDs" → CPU ✓ RAM ✓ SSD ✓, only ask GPU

Phase 1 — Collect unknowns via AskUserQuestion

Group missing components into at most 2 AskUserQuestion calls.

Grouping strategy

Round A (core): CPU (if unknown) + GPU (if unknown)
Round B (peripherals): RAM + storage (if unknown)
If only 1 or 2 things are missing, combine them all into 1 call.
If everything is already known, skip directly to Phase 2.

Adaptive question wording

Vary the question text to match context — do NOT use the same fixed wording every time.

CPU question variants (pick the most fitting):

"Which CPU are you planning to use?" (general)
"You haven't decided on a CPU yet — pick one:" (when user said they haven't decided)
"What CPU?" (casual, when user is already in spec-listing mode)
"Besides [known components], which CPU are you going with?" (when some components are known)

GPU question variants:

"Which discrete GPU are you using?"
"Have you picked a GPU? Choose one:"
"What's your GPU?"
"Paired with [known CPU], which GPU are you planning?"

RAM question variants:

"How are you configuring your RAM?"
"How much RAM?"
"RAM capacity and generation?"

Storage question variants:

"What's your storage setup?"
"Storage configuration?"
"SSD only, or SSD + HDD?"

Component option menus (reference — use as needed)

CPU options

AMD Ryzen:

- label: "Ryzen 5 9600X"      description: "6-core 65W, great value"
- label: "Ryzen 7 9700X"      description: "8-core 65W, low power high performance"
- label: "Ryzen 7 9800X3D"    description: "8-core 120W, 3D Cache gaming champion"
- label: "Ryzen 9 9950X"      description: "16-core 170W, productivity flagship"
- label: "Other AMD model"     description: "9900X / 9950X3D / Threadripper, etc."

Intel Core:

- label: "Core Ultra 5 235"    description: "10-core 65W, mainstream entry"
- label: "Core Ultra 7 265K"   description: "20-core 125W, high performance"
- label: "Core Ultra 9 285K"   description: "24-core 125W, flagship"
- label: "Other Intel model"   description: "i9-14900K, i7-13700K, etc."

If brand is unknown, merge into one list:

- label: "AMD Ryzen 7 9800X3D"     description: "8-core 120W"
- label: "AMD Ryzen 9 9950X"       description: "16-core 170W"
- label: "Intel Core Ultra 7 265K" description: "20-core 125W"
- label: "Intel Core Ultra 9 285K" description: "24-core 125W"
- label: "Other AMD model"
- label: "Other Intel model"

Additional AMD options (for "Other"):

Ryzen 9 9950X3D (170W) / Ryzen 9 9900X (120W) / Ryzen 7 9850X3D (120W)
Threadripper PRO 9965WX / 9995WX / 9985WX (all 350W)

Additional Intel options (for "Other"):

Core Ultra 5 245K (125W) / Core Ultra 7 270K Plus (125W)
Core i9-14900K (125W) / Core i7-14700K (125W) / Core i5-14600K (125W)

GPU options

NVIDIA — show generation first if brand unknown; skip if already known:

Generation picker:
- label: "RTX 50 Series (Latest)"  description: "5060 Ti / 5070 / 5080 / 5090"
- label: "RTX 40 Series"           description: "4060 / 4070 / 4080 / 4090"
- label: "RTX 30 Series"           description: "3060 / 3070 / 3080 / 3090"
- label: "Older / GTX Series"      description: "RTX 20 / GTX 16 / GTX 10"

RTX 50 Series:

- label: "RTX 5060 Ti"    description: "180W"
- label: "RTX 5070"       description: "250W"
- label: "RTX 5070 Ti"    description: "300W"
- label: "RTX 5080"       description: "360W"
- label: "RTX 5090"       description: "600W, ultimate flagship"
- label: "Other RTX 50"   description: "5060 145W / 5050 130W"

RTX 40 Series:

- label: "RTX 4060 / 4060 Ti"    description: "120W / 165W"
- label: "RTX 4070 / 4070 Super" description: "250W / 285W"
- label: "RTX 4070 Ti / 4080"    description: "300W / 340W"
- label: "RTX 4090"              description: "480W, flagship"
- label: "Other RTX 40"          description: "4080 SUPER 350W, etc."

RTX 30 Series:

- label: "RTX 3060 / 3060 Ti"  description: "170W / 240W"
- label: "RTX 3070 / 3070 Ti"  description: "280W / 320W"
- label: "RTX 3080 / 3080 Ti"  description: "390W / 400W"
- label: "RTX 3090 / 3090 Ti"  description: "420W / 480W"

AMD Radeon:

- label: "RX 9070 / 9070 XT"     description: "220W / 340W, latest flagship"
- label: "RX 7800 XT / 7700 XT"  description: "288W / 245W, great value"
- label: "RX 7900 XTX / 7900 XT" description: "370W / 335W, flagship"
- label: "RX 7600 / 9060 XT"     description: "185W / 182W, entry level"
- label: "Other AMD GPU"          description: "RX 6900 XT / 6800 XT, etc."

No discrete GPU:

- label: "No discrete GPU"  description: "Using CPU integrated graphics"
- label: "Not decided yet"  description: "Calculate other components first"

RAM options

- label: "8GB DDR5 × 2"    description: "Dual-channel 16GB DDR5"
- label: "16GB DDR5 × 2"   description: "Dual-channel 32GB DDR5 (mainstream)"
- label: "32GB DDR5 × 2"   description: "Dual-channel 64GB DDR5 (high-end)"
- label: "16GB DDR4 × 2"   description: "Dual-channel 32GB DDR4"
- label: "Other config"     description: "Custom capacity or more sticks"

Storage options

- label: "1 SSD (1TB+)"              description: "SSD only, 11W"
- label: "2 SSDs (1TB+ each)"        description: "Dual SSD, 22W"
- label: "SSD + HDD (7200RPM)"       description: "SSD for OS + HDD for storage"
- label: "Other"                      description: "Custom configuration"

Phase 2 — Build the JSON spec and run the script

Map all selections to the JSON spec format and run:

bash

python3 <skill_base_dir>/scripts/calculate_psu.py '<json_spec>'

Mapping guide:

Selection	JSON field	Value
Ryzen 7 9800X3D	`cpu`	`"Ryzen 7 9800X3D"`
RTX 5080	`gpu`	`"RTX 5080"`
2 GPUs	`gpu_count`	`2`
ATX (default)	`mb`	`"ATX"`
16GB DDR5 × 2	`ram` + `ram_count`	`"16GB DDR5"` , `2`
SSD 1TB+	`ssd`	`"1TB+"`
2 × SSD 1TB+	`ssd` + `ssd_count`	`"1TB+"` , `2`
HDD 7200RPM	`hdd`	`"7200RPM 3.5\""`

Example:

bash

python3 /path/to/scripts/calculate_psu.py \
  '{"cpu":"Ryzen 7 9800X3D","gpu":"RTX 5080","mb":"ATX","ram":"16GB DDR5","ram_count":2,"ssd":"1TB+"}'

Phase 3 — Present results

The script outputs JSON with

total_watts

and

recommended_psu_watts

Show the user:

Component breakdown table — type, name, watts, count × subtotal
Total system draw —
```
total_watts
```
Recommended PSU —
```
recommended_psu_watts
```
(already includes 20% safety buffer)
PSU tier note:
- ≤650W → 650W PSU, Gold certification OK
- 651–850W → 850W PSU, Gold minimum
- 851–1000W → 1000W PSU, Platinum recommended
- 1001W+ → 1200W PSU, Platinum/Titanium
PCIe connector note — for RTX 5000 series: must have PCIe 5.0 16-pin (600W native)

Newegg shop link:

https://www.newegg.com/p/pl?d=<WATTS>W+PSU+modular+gold

Fallback wattage tables (for manual calculation if script unavailable)

Motherboard

ATX 70W · E-ATX 100W · Micro ATX 60W · Mini-ITX 30W · Thin Mini-ITX 20W · SSI CEB/EEB 150W · XL AT 130W

RAM (per stick)

192GB DDR5 57.6W · 128GB DDR5 38.4W · 64GB DDR5 19.2W · 32GB DDR5 9.6W · 16GB DDR5 4.8W · 8GB DDR5 2.4W · 4GB DDR5 1.2W 192GB DDR4 72W · 64GB DDR4 24W · 32GB DDR4 12W · 16GB DDR4 6W · 8GB DDR4 3W · 4GB DDR4 1.5W

SSD · HDD · Optical

SSD under 512GB 10W · SSD 512GB–1TB+ 11W HDD 5400RPM 15W · 7200RPM 20W · 10K RPM 30W · 15K RPM 40W Optical: Blu-Ray/DVD-RW 30W · COMBO 24W · DVD-ROM 20W · CD-RW 16W · CD-ROM 15W

newegg-psu-calculator

NPX Install

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